112120012112021 has 16 divisors (see below), whose sum is σ = 114955904810880. Its totient is φ = 109319751256320.

The previous prime is 112120012112011. The next prime is 112120012112131. The reversal of 112120012112021 is 120211210021211.

It is a cyclic number.

It is not a de Polignac number, because 112120012112021 - 2²² = 112120007917717 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 (112120012112011) 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, 30834536 + ... + 34278398.

It is an arithmetic number, because the mean of its divisors is an integer number (7184744050680).

Almost surely, 2^{112120012112021} is an apocalyptic number.

It is an amenable number.

112120012112021 is a deficient number, since it is larger than the sum of its proper divisors (2835892698859).

112120012112021 is an equidigital number, since it uses as much as digits as its factorization.

112120012112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449036.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112120012112021 its reverse (120211210021211), we get a palindrome (232331222133232).

The spelling of 112120012112021 in words is "one hundred twelve trillion, one hundred twenty billion, twelve million, one hundred twelve thousand, twenty-one".