22200022011021 has 16 divisors (see below), whose sum is σ = 30555167912448. Its totient is φ = 14322454732800.

The previous prime is 22200022011001. The next prime is 22200022011023. The reversal of 22200022011021 is 12011022000222.

It is not a de Polignac number, because 22200022011021 - 2⁵ = 22200022010989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200022011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8849701 + ... + 11077781.

It is an arithmetic number, because the mean of its divisors is an integer number (1909697994528).

Almost surely, 2^{22200022011021} is an apocalyptic number.

It is an amenable number.

22200022011021 is a deficient number, since it is larger than the sum of its proper divisors (8355145901427).

22200022011021 is a wasteful number, since it uses less digits than its factorization.

22200022011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335252.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22200022011021 its reverse (12011022000222), we get a palindrome (34211044011243).

The spelling of 22200022011021 in words is "twenty-two trillion, two hundred billion, twenty-two million, eleven thousand, twenty-one".