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112100000100221 = 7311134978791823
BaseRepresentation
bin11001011111010001010000…
…101011110110111101111101
3112200220122200202020001210202
4121133101100223312331331
5104143121300011201341
61034230010142013245
732416646335041410
oct3137212053667575
9480818622201722
10112100000100221
113279a385685401
12106a5893277225
134a71ca537ba63
141d97951879b77
15ce5ea194979b
hex65f450af6f7d

112100000100221 has 32 divisors (see below), whose sum is σ = 133421464977408. Its totient is φ = 92160433854720.

The previous prime is 112100000100181. The next prime is 112100000100223. The reversal of 112100000100221 is 122001000001211.

It is a de Polignac number, because none of the positive numbers 2k-112100000100221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100000100223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1220781116 + ... + 1220872938.

It is an arithmetic number, because the mean of its divisors is an integer number (4169420780544).

Almost surely, 2112100000100221 is an apocalyptic number.

It is an amenable number.

112100000100221 is a deficient number, since it is larger than the sum of its proper divisors (21321464877187).

112100000100221 is a wasteful number, since it uses less digits than its factorization.

112100000100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141761.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112100000100221 its reverse (122001000001211), we get a palindrome (234101000101432).

The spelling of 112100000100221 in words is "one hundred twelve trillion, one hundred billion, one hundred thousand, two hundred twenty-one".

Divisors: 1 7 31 113 217 791 3503 24521 49787 91823 348509 642761 1543397 2846513 5625931 10375999 10803779 19925591 39381517 72631993 174403861 321655969 1220827027 2251591783 4571591701 32001141907 141719342731 516589862213 992035399117 3616129035491 16014285728603 112100000100221