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112101121212121 = 17311249307955313
BaseRepresentation
bin11001011111010010010011…
…100000100011111011011001
3112200220202120212210110012201
4121133102103200203323121
5104143131044012241441
61034230313311210201
732420016200244256
oct3137222340437331
9480822525713181
10112101121212121
113279a9004aa368
12106a5b46816961
134a72123711c92
141d97a1a71242d
15ce601a0a0c31
hex65f493823ed9

112101121212121 has 32 divisors (see below), whose sum is σ = 122664326400000. Its totient is φ = 101986761277440.

The previous prime is 112101121212103. The next prime is 112101121212133. The reversal of 112101121212121 is 121212121101211.

It is a cyclic number.

It is not a de Polignac number, because 112101121212121 - 211 = 112101121210073 is a prime.

It is a super-2 number, since 2×1121011212121212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112101721212121) 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, 2026640961 + ... + 2026696273.

It is an arithmetic number, because the mean of its divisors is an integer number (3833260200000).

Almost surely, 2112101121212121 is an apocalyptic number.

It is an amenable number.

112101121212121 is a deficient number, since it is larger than the sum of its proper divisors (10563205187879).

112101121212121 is a wasteful number, since it uses less digits than its factorization.

112101121212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59689.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112101121212121 its reverse (121212121101211), we get a palindrome (233313242313332).

The spelling of 112101121212121 in words is "one hundred twelve trillion, one hundred one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty-one".

Divisors: 1 17 31 527 1249 3079 21233 38719 52343 55313 95449 658223 940321 1622633 1714703 3845671 29149951 65376407 69085937 119215801 170308727 1174460929 2026668617 2141664047 2895248359 5279570537 36408288799 89752699129 212715600023 3616165200391 6594183600713 112101121212121