112100100111021 has 32 divisors (see below), whose sum is σ = 169820188471296. Its totient is φ = 65172221352000.

The previous prime is 112100100110987. The next prime is 112100100111037. The reversal of 112100100111021 is 120111001001211.

It is not a de Polignac number, because 112100100111021 - 2¹¹ = 112100100108973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100100110988 and 112100100111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100100111091) 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, 646463125 + ... + 646636506.

It is an arithmetic number, because the mean of its divisors is an integer number (5306880889728).

Almost surely, 2^{112100100111021} is an apocalyptic number.

112100100111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112100100111021 is a deficient number, since it is larger than the sum of its proper divisors (57720088360275).

112100100111021 is a wasteful number, since it uses less digits than its factorization.

112100100111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293099753.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 112100100111021 its reverse (120111001001211), we get a palindrome (232211101112232).

The spelling of 112100100111021 in words is "one hundred twelve trillion, one hundred billion, one hundred million, one hundred eleven thousand, twenty-one".