22201111200021 has 32 divisors (see below), whose sum is σ = 32741217535488. Its totient is φ = 13292519385600.

The previous prime is 22201111199977. The next prime is 22201111200031. The reversal of 22201111200021 is 12000211110222.

It is not a de Polignac number, because 22201111200021 - 2¹⁴ = 22201111183637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201111200031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44703945 + ... + 45197841.

It is an arithmetic number, because the mean of its divisors is an integer number (1023163047984).

Almost surely, 2^{22201111200021} is an apocalyptic number.

It is an amenable number.

22201111200021 is a deficient number, since it is larger than the sum of its proper divisors (10540106335467).

22201111200021 is a wasteful number, since it uses less digits than its factorization.

22201111200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525101.

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

Adding to 22201111200021 its reverse (12000211110222), we get a palindrome (34201322310243).

The spelling of 22201111200021 in words is "twenty-two trillion, two hundred one billion, one hundred eleven million, two hundred thousand, twenty-one".