22100102202021 has 16 divisors (see below), whose sum is σ = 29701938921408. Its totient is φ = 14616295433600.

The previous prime is 22100102202007. The next prime is 22100102202109. The reversal of 22100102202021 is 12020220100122.

It is a cyclic number.

It is not a de Polignac number, because 22100102202021 - 2³⁹ = 21550346388133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100102207021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57553170 + ... + 57935891.

It is an arithmetic number, because the mean of its divisors is an integer number (1856371182588).

Almost surely, 2^{22100102202021} is an apocalyptic number.

It is an amenable number.

22100102202021 is a deficient number, since it is larger than the sum of its proper divisors (7601836719387).

22100102202021 is a wasteful number, since it uses less digits than its factorization.

22100102202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115489572.

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

Adding to 22100102202021 its reverse (12020220100122), we get a palindrome (34120322302143).

The spelling of 22100102202021 in words is "twenty-two trillion, one hundred billion, one hundred two million, two hundred two thousand, twenty-one".