22112201120021 has 32 divisors (see below), whose sum is σ = 22527186587136. Its totient is φ = 21701394792000.

The previous prime is 22112201120003. The next prime is 22112201120027. The reversal of 22112201120021 is 12002110221122.

It is a cyclic number.

It is not a de Polignac number, because 22112201120021 - 2¹⁴ = 22112201103637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112201120027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16011730751 + ... + 16011732131.

It is an arithmetic number, because the mean of its divisors is an integer number (703974580848).

Almost surely, 2^{22112201120021} is an apocalyptic number.

It is an amenable number.

22112201120021 is a deficient number, since it is larger than the sum of its proper divisors (414985467115).

22112201120021 is a wasteful number, since it uses less digits than its factorization.

22112201120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473.

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

Adding to 22112201120021 its reverse (12002110221122), we get a palindrome (34114311341143).

The spelling of 22112201120021 in words is "twenty-two trillion, one hundred twelve billion, two hundred one million, one hundred twenty thousand, twenty-one".