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121222222202102 = 2747184228301219
BaseRepresentation
bin11011100100000000111111…
…011111100100010011110110
3120220012201202002110222101012
4123210000333133210103312
5111342101102340431402
61105452415312232222
734351005446403350
oct3344007737442366
9526181662428335
10121222222202102
11356970681a368a
1211719818b3b672
13528428b8c5498
1421d1288a5a0d0
15e03405212452
hex6e403f7e44f6

121222222202102 has 16 divisors (see below), whose sum is σ = 212231003005440. Its totient is φ = 50847011136168.

The previous prime is 121222222202101. The next prime is 121222222202287. The reversal of 121222222202102 is 201202222222121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222222202101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92114149952 + ... + 92114151267.

It is an arithmetic number, because the mean of its divisors is an integer number (13264437687840).

Almost surely, 2121222222202102 is an apocalyptic number.

121222222202102 is a deficient number, since it is larger than the sum of its proper divisors (91008780803338).

121222222202102 is a wasteful number, since it uses less digits than its factorization.

121222222202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184228301275.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 121222222202102 its reverse (201202222222121), we get a palindrome (322424444424223).

The spelling of 121222222202102 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, one hundred two".

Divisors: 1 2 7 14 47 94 329 658 184228301219 368456602438 1289598108533 2579196217066 8658730157293 17317460314586 60611111101051 121222222202102