22201102022021 has 16 divisors (see below), whose sum is σ = 24001095135360. Its totient is φ = 20414414059200.

The previous prime is 22201102021997. The next prime is 22201102022111. The reversal of 22201102022021 is 12022020110222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22201102022021 - 2²⁶ = 22201034913157 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 (22201102022921) 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, 1317371 + ... + 6792471.

It is an arithmetic number, because the mean of its divisors is an integer number (1500068445960).

Almost surely, 2^{22201102022021} is an apocalyptic number.

It is an amenable number.

22201102022021 is a deficient number, since it is larger than the sum of its proper divisors (1799993113339).

22201102022021 is a wasteful number, since it uses less digits than its factorization.

22201102022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476316.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22201102022021 its reverse (12022020110222), we get a palindrome (34223122132243).

The spelling of 22201102022021 in words is "twenty-two trillion, two hundred one billion, one hundred two million, twenty-two thousand, twenty-one".