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2112211020210 = 235376013166211
BaseRepresentation
bin11110101111001001100…
…101100110100110110010
321110220222121200021212120
4132233021211212212302
5234101302010121320
64254200352335110
7305413362303414
oct36571145464662
97426877607776
102112211020210
11744869068125
122a143b244496
13124246b50955
147433557c9b4
1539e2426c440
hex1ebc99669b2

2112211020210 has 64 divisors (see below), whose sum is σ = 5214979131264. Its totient is φ = 547121088000.

The previous prime is 2112211020151. The next prime is 2112211020281. The reversal of 2112211020210 is 120201122112.

It is a super-2 number, since 2×21122110202102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2112211020210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 915996 + ... + 2250215.

It is an arithmetic number, because the mean of its divisors is an integer number (81484048926).

Almost surely, 22112211020210 is an apocalyptic number.

2112211020210 is an abundant number, since it is smaller than the sum of its proper divisors (3102768111054).

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

2112211020210 is a wasteful number, since it uses less digits than its factorization.

2112211020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166859.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112211020210 its reverse (120201122112), we get a palindrome (2232412142322).

The spelling of 2112211020210 in words is "two trillion, one hundred twelve billion, two hundred eleven million, twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 601 1110 1202 1803 3005 3606 6010 9015 18030 22237 44474 66711 111185 133422 222370 333555 667110 3166211 6332422 9498633 15831055 18997266 31662110 47493165 94986330 117149807 234299614 351449421 585749035 702898842 1171498070 1757247105 1902892811 3514494210 3805785622 5708678433 9514464055 11417356866 19028928110 28543392165 57086784330 70407034007 140814068014 211221102021 352035170035 422442204042 704070340070 1056105510105 2112211020210