112212021121 has 8 divisors (see below), whose sum is σ = 117181113984. Its totient is φ = 107250454080.

The previous prime is 112212021113. The next prime is 112212021133. The reversal of 112212021121 is 121120212211.

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

It is a cyclic number.

It is not a de Polignac number, because 112212021121 - 2³ = 112212021113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212021095 and 112212021104.

It is not an unprimeable number, because it can be changed into a prime (112212021161) 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, 1850965 + ... + 1910626.

It is an arithmetic number, because the mean of its divisors is an integer number (14647639248).

Almost surely, 2^112212021121 is an apocalyptic number.

It is an amenable number.

112212021121 is a deficient number, since it is larger than the sum of its proper divisors (4969092863).

112212021121 is a wasteful number, since it uses less digits than its factorization.

112212021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762911.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112212021121 its reverse (121120212211), we get a palindrome (233332233332).

The spelling of 112212021121 in words is "one hundred twelve billion, two hundred twelve million, twenty-one thousand, one hundred twenty-one".