22000011010021 has 16 divisors (see below), whose sum is σ = 25044045949440. Its totient is φ = 19130020279920.

The previous prime is 22000011009979. The next prime is 22000011010039. The reversal of 22000011010021 is 12001011000022.

It is a de Polignac number, because none of the positive numbers 2^k-22000011010021 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 (22000011010051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10752706 + ... + 12634108.

It is an arithmetic number, because the mean of its divisors is an integer number (1565252871840).

Almost surely, 2^{22000011010021} is an apocalyptic number.

It is an amenable number.

22000011010021 is a deficient number, since it is larger than the sum of its proper divisors (3044034939419).

22000011010021 is a wasteful number, since it uses less digits than its factorization.

22000011010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927656.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22000011010021 its reverse (12001011000022), we get a palindrome (34001022010043).

Subtracting from 22000011010021 its reverse (12001011000022), we obtain a palindrome (9999000009999).

The spelling of 22000011010021 in words is "twenty-two trillion, eleven million, ten thousand, twenty-one".