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112121112212202 = 2319979357462211
BaseRepresentation
bin11001011111100100111011…
…000100001011001011101010
3112200222200012002101110220010
4121133210323010023023222
5104143443014211242302
61034243421115512350
732421324453035322
oct3137447304131352
9480880162343803
10112121112212202
11327a8329941635
12106a99a57586b6
134a73c8b288302
141d98995734282
15ce67da14016c
hex65f93b10b2ea

112121112212202 has 16 divisors (see below), whose sum is σ = 224354513994912. Its totient is φ = 37354989142320.

The previous prime is 112121112212141. The next prime is 112121112212231. The reversal of 112121112212202 is 202212211121211.

It is a super-2 number, since 2×1121211122122022 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4678719124 + ... + 4678743087.

It is an arithmetic number, because the mean of its divisors is an integer number (14022157124682).

Almost surely, 2112121112212202 is an apocalyptic number.

112121112212202 is an abundant number, since it is smaller than the sum of its proper divisors (112233401782710).

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

112121112212202 is a wasteful number, since it uses less digits than its factorization.

112121112212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9357464213.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112121112212202 its reverse (202212211121211), we get a palindrome (314333323333413).

The spelling of 112121112212202 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 1997 3994 5991 11982 9357462211 18714924422 28072386633 56144773266 18686852035367 37373704070734 56060556106101 112121112212202