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102220221022122 = 23717093142386637
BaseRepresentation
bin10111001111011111111111…
…111101100111111110101010
3111101221011020221212102100110
4113033133333331213332222
5101344234003040201442
61001223153220315150
730350111240352510
oct2717377775477652
9441834227772313
10102220221022122
112a630396989395
12b56ab69242ab6
13450643010bb18
141b356b11604b0
15bc3eb109a69c
hex5cf7fff67faa

102220221022122 has 32 divisors (see below), whose sum is σ = 233659890237312. Its totient is φ = 29204068590144.

The previous prime is 102220221022097. The next prime is 102220221022163. The reversal of 102220221022122 is 221220122022201.

It is a super-2 number, since 2×1022202210221222 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70475413 + ... + 71911224.

It is an arithmetic number, because the mean of its divisors is an integer number (7301871569916).

Almost surely, 2102220221022122 is an apocalyptic number.

102220221022122 is an abundant number, since it is smaller than the sum of its proper divisors (131439669215190).

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

102220221022122 is a wasteful number, since it uses less digits than its factorization.

102220221022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142403742.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102220221022122 its reverse (221220122022201), we get a palindrome (323440343044323).

The spelling of 102220221022122 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 17093 34186 51279 102558 119651 239302 358953 717906 142386637 284773274 427159911 854319822 996706459 1993412918 2990119377 5980238754 2433814786241 4867629572482 7301444358723 14602888717446 17036703503687 34073407007374 51110110511061 102220221022122