112112032213021 has 16 divisors (see below), whose sum is σ = 114601845989808. Its totient is φ = 109657446912000.

The previous prime is 112112032213007. The next prime is 112112032213121. The reversal of 112112032213021 is 120312230211211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 41405544261796 + 70706487951225 = 6434714^2 + 8408715^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112032213021 - 2⁷ = 112112032212893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112032212983 and 112112032213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112032213121) 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, 17690820 + ... + 23177341.

It is an arithmetic number, because the mean of its divisors is an integer number (7162615374363).

Almost surely, 2^{112112032213021} is an apocalyptic number.

It is an amenable number.

112112032213021 is a deficient number, since it is larger than the sum of its proper divisors (2489813776787).

112112032213021 is a wasteful number, since it uses less digits than its factorization.

112112032213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40868592.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 112112032213021 its reverse (120312230211211), we get a palindrome (232424262424232).

The spelling of 112112032213021 in words is "one hundred twelve trillion, one hundred twelve billion, thirty-two million, two hundred thirteen thousand, twenty-one".