21222022111102 has 32 divisors (see below), whose sum is σ = 32194845792000. Its totient is φ = 10491088965888.

The previous prime is 21222022111079. The next prime is 21222022111111. The reversal of 21222022111102 is 20111122022212.

It is a self number, because there is not a number n which added to its sum of digits gives 21222022111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281597058 + ... + 281672410.

It is an arithmetic number, because the mean of its divisors is an integer number (1006088931000).

Almost surely, 2^{21222022111102} is an apocalyptic number.

21222022111102 is a deficient number, since it is larger than the sum of its proper divisors (10972823680898).

21222022111102 is a wasteful number, since it uses less digits than its factorization.

21222022111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79860.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 21222022111102 its reverse (20111122022212), we get a palindrome (41333144133314).

The spelling of 21222022111102 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred two".