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112100202012021 = 3671793115711999
BaseRepresentation
bin11001011111010001011100…
…101110000101110101110101
3112200220200012211011020201120
4121133101130232011311311
5104143122203203341041
61034230042153414153
732416654336210506
oct3137213456056565
9480820184136646
10112100202012021
113279a479653763
12106a592aa0a359
134a720081552b2
141d979705d8bad
15ce5eb4530366
hex65f45cb85d75

112100202012021 has 16 divisors (see below), whose sum is σ = 152545259520000. Its totient is φ = 73206769105008.

The previous prime is 112100202011789. The next prime is 112100202012041. The reversal of 112100202012021 is 120210202001211.

It is not a de Polignac number, because 112100202012021 - 210 = 112100202010997 is a prime.

It is a super-2 number, since 2×1121002020120212 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100202012041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557820021 + ... + 1557891978.

It is an arithmetic number, because the mean of its divisors is an integer number (9534078720000).

Almost surely, 2112100202012021 is an apocalyptic number.

It is an amenable number.

112100202012021 is a deficient number, since it is larger than the sum of its proper divisors (40445057507979).

112100202012021 is a wasteful number, since it uses less digits than its factorization.

112100202012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115712248.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112100202012021 its reverse (120210202001211), we get a palindrome (232310404013232).

The spelling of 112100202012021 in words is "one hundred twelve trillion, one hundred billion, two hundred two million, twelve thousand, twenty-one".

Divisors: 1 3 67 179 201 537 11993 35979 3115711999 9347135997 208752703933 557712447821 626258111799 1673137343463 37366734004007 112100202012021