112011100021 has 16 divisors (see below), whose sum is σ = 122452328448. Its totient is φ = 102137310000.

The previous prime is 112011100013. The next prime is 112011100043. The reversal of 112011100021 is 120001110211.

It is a cyclic number.

It is not a de Polignac number, because 112011100021 - 2³ = 112011100013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112011099980 and 112011100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112011100921) 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, 1124605 + ... + 1220146.

It is an arithmetic number, because the mean of its divisors is an integer number (7653270528).

Almost surely, 2^112011100021 is an apocalyptic number.

It is an amenable number.

112011100021 is a deficient number, since it is larger than the sum of its proper divisors (10441228427).

112011100021 is a wasteful number, since it uses less digits than its factorization.

112011100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344872.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 112011100021 its reverse (120001110211), we get a palindrome (232012210232).

The spelling of 112011100021 in words is "one hundred twelve billion, eleven million, one hundred thousand, twenty-one".