222112112021 has 8 divisors (see below), whose sum is σ = 233818408320. Its totient is φ = 210407434272.

The previous prime is 222112111931. The next prime is 222112112023. The reversal of 222112112021 is 120211211222.

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

It is not a de Polignac number, because 222112112021 - 2¹⁴ = 222112095637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112112023) 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, 117725 + ... + 676818.

It is an arithmetic number, because the mean of its divisors is an integer number (29227301040).

Almost surely, 2^222112112021 is an apocalyptic number.

It is an amenable number.

222112112021 is a deficient number, since it is larger than the sum of its proper divisors (11706296299).

222112112021 is a wasteful number, since it uses less digits than its factorization.

222112112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809275.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222112112021 its reverse (120211211222), we get a palindrome (342323323243).

The spelling of 222112112021 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, twenty-one".