112120212021 has 8 divisors (see below), whose sum is σ = 155993338560. Its totient is φ = 71496946752.

The previous prime is 112120211981. The next prime is 112120212031. The reversal of 112120212021 is 120212021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112120212021 - 2²¹ = 112118114869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120212031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812465236 + ... + 812465373.

It is an arithmetic number, because the mean of its divisors is an integer number (19499167320).

Almost surely, 2^112120212021 is an apocalyptic number.

It is an amenable number.

112120212021 is a deficient number, since it is larger than the sum of its proper divisors (43873126539).

112120212021 is a wasteful number, since it uses less digits than its factorization.

112120212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624930635.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112120212021 its reverse (120212021211), we get a palindrome (232332233232).

The spelling of 112120212021 in words is "one hundred twelve billion, one hundred twenty million, two hundred twelve thousand, twenty-one".