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210122101012220 = 225475915077251291
BaseRepresentation
bin101111110001101011011101…
…001100001011011011111100
31000112222110212111110101211122
4233301223131030023123330
5210020120030324342340
62022520432143010112
762154551354315435
oct5761533514133374
91015873774411748
10210122101012220
1160a51312171021
121b6970a2599938
139032576985257
1439c5d6d12a48c
151945b5864edb5
hexbf1add30b6fc

210122101012220 has 96 divisors (see below), whose sum is σ = 458315114664960. Its totient is φ = 80860634965760.

The previous prime is 210122101012211. The next prime is 210122101012249. The reversal of 210122101012220 is 22210101221012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836044775 + ... + 836296065.

It is an arithmetic number, because the mean of its divisors is an integer number (4774115777760).

Almost surely, 2210122101012220 is an apocalyptic number.

210122101012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122101012220 is an abundant number, since it is smaller than the sum of its proper divisors (248193013652740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210122101012220 is a wasteful number, since it uses less digits than its factorization.

210122101012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266483 (or 266481 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210122101012220 its reverse (22210101221012), we get a palindrome (232332202233232).

The spelling of 210122101012220 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred one million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 59 94 118 188 235 236 295 470 590 940 1180 2773 5546 11092 13865 15077 27730 30154 55460 60308 75385 150770 251291 301540 502582 708619 889543 1005164 1256455 1417238 1779086 2512910 2834476 3543095 3558172 4447715 5025820 7086190 8895430 11810677 14172380 14826169 17790860 23621354 29652338 41808521 47242708 59053385 59304676 74130845 83617042 118106770 148261690 167234084 209042605 236213540 296523380 418085210 696829943 836170420 1393659886 2787319772 3484149715 3788714407 6968299430 7577428814 13936598860 15154857628 18943572035 37887144070 75774288140 178069577129 223534150013 356139154258 447068300026 712278308516 890347885645 894136600052 1117670750065 1780695771290 2235341500130 3561391542580 4470683000260 10506105050611 21012210101222 42024420202444 52530525253055 105061050506110 210122101012220