22112000233221 has 16 divisors (see below), whose sum is σ = 31242670776000. Its totient is φ = 13871745813888.

The previous prime is 22112000233217. The next prime is 22112000233229. The reversal of 22112000233221 is 12233200021122.

It is not a de Polignac number, because 22112000233221 - 2² = 22112000233217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112000233229) 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, 1301769456 + ... + 1301786441.

It is an arithmetic number, because the mean of its divisors is an integer number (1952666923500).

Almost surely, 2^{22112000233221} is an apocalyptic number.

It is an amenable number.

22112000233221 is a deficient number, since it is larger than the sum of its proper divisors (9130670542779).

22112000233221 is a wasteful number, since it uses less digits than its factorization.

22112000233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603556068.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22112000233221 its reverse (12233200021122), we get a palindrome (34345200254343).

The spelling of 22112000233221 in words is "twenty-two trillion, one hundred twelve billion, two hundred thirty-three thousand, two hundred twenty-one".