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122110122100220 = 225471409684113477
BaseRepresentation
bin11011110000111011111010…
…011100111000010111111100
3121000100121120100210012021222
4123300323322130320113330
5112001123012224201340
61111412340552412512
734502110442122052
oct3360737234702774
9530317510705258
10122110122100220
11359a9680580881
12118419149a7138
135319c2056ba97
1422222390081d2
15e1b5702e88b5
hex6f0efa7385fc

122110122100220 has 96 divisors (see below), whose sum is σ = 262130866018560. Its totient is φ = 47760358440960.

The previous prime is 122110122100207. The next prime is 122110122100289. The reversal of 122110122100220 is 22001221011221.

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, 9060624122 + ... + 9060637598.

It is an arithmetic number, because the mean of its divisors is an integer number (2730529854360).

Almost surely, 2122110122100220 is an apocalyptic number.

122110122100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122110122100220 is an abundant number, since it is smaller than the sum of its proper divisors (140020743918340).

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

122110122100220 is a wasteful number, since it uses less digits than its factorization.

122110122100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21783 (or 21781 counting only the distinct ones).

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

Adding to 122110122100220 its reverse (22001221011221), we get a palindrome (144111343111441).

The spelling of 122110122100220 in words is "one hundred twenty-two trillion, one hundred ten billion, one hundred twenty-two million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 1409 2818 5636 6841 7045 13477 13682 14090 26954 27364 28180 34205 53908 66223 67385 68410 132446 134770 136820 264892 269540 321527 331115 633419 643054 662230 1266838 1286108 1324460 1607635 2533676 3167095 3215270 6334190 6430540 9638969 12668380 18989093 19277938 37978186 38555876 48194845 75956372 92196157 94945465 96389690 184392314 189890930 192779380 368784628 379781860 453031543 460980785 892487371 906063086 921961570 1784974742 1812126172 1843923140 2265157715 3569949484 4333219379 4462436855 4530315430 8666438758 8924873710 9060630860 17332877516 17849747420 21666096895 43332193790 86664387580 129904385213 259808770426 519617540852 649521926065 1299043852130 2598087704260 6105506105011 12211012210022 24422024420044 30527530525055 61055061050110 122110122100220