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121010222222202 = 23377910903632843
BaseRepresentation
bin11011100000111011100011…
…010011110100101101111010
3120212110110112110010011002210
4123200323203103310231322
5111330112413342102302
61105211154553035550
734326462054325245
oct3340734323645572
9525413473104083
10121010222222202
1135615168794a25
12116a47126b5bb6
13526a2a444a9b1
1421c4cd6d6425c
15decb4852366c
hex6e0ee34f4b7a

121010222222202 has 64 divisors (see below), whose sum is σ = 251731370004480. Its totient is φ = 38746151406144.

The previous prime is 121010222222191. The next prime is 121010222222209. The reversal of 121010222222202 is 202222222010121.

It is a super-3 number, since 3×1210102222222023 (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121010222222209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190900393 + ... + 191533235.

It is an arithmetic number, because the mean of its divisors is an integer number (3933302656320).

Almost surely, 2121010222222202 is an apocalyptic number.

121010222222202 is an abundant number, since it is smaller than the sum of its proper divisors (130721147782278).

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

121010222222202 is a wasteful number, since it uses less digits than its factorization.

121010222222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643867.

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

Adding to 121010222222202 its reverse (202222222010121), we get a palindrome (323232444232323).

The spelling of 121010222222202 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 37 74 79 111 158 222 237 474 2923 5846 8769 10903 17538 21806 32709 65418 403411 632843 806822 861337 1210233 1265686 1722674 1898529 2420466 2584011 3797058 5168022 23415191 31869469 46830382 49994597 63738938 70245573 95608407 99989194 140491146 149983791 191216814 299967582 1849800089 3699600178 5549400267 6899887229 11098800534 13799774458 20699661687 41399323374 255295827473 510591654946 545091091091 765887482419 1090182182182 1531774964838 1635273273273 3270546546546 20168370370367 40336740740734 60505111111101 121010222222202