22121102020102 has 16 divisors (see below), whose sum is σ = 33343516730880. Its totient is φ = 11006660411208.

The previous prime is 22121102020009. The next prime is 22121102020111. The reversal of 22121102020102 is 20102020112122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15299508 + ... + 16682839.

It is an arithmetic number, because the mean of its divisors is an integer number (2083969795680).

Almost surely, 2^{22121102020102} is an apocalyptic number.

22121102020102 is a deficient number, since it is larger than the sum of its proper divisors (11222414710778).

22121102020102 is a wasteful number, since it uses less digits than its factorization.

22121102020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31984035.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22121102020102 its reverse (20102020112122), we get a palindrome (42223122132224).

The spelling of 22121102020102 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, twenty thousand, one hundred two".