22102021010111 has 16 divisors (see below), whose sum is σ = 26074443601920. Its totient is φ = 18333354140640.

The previous prime is 22102021010107. The next prime is 22102021010161. The reversal of 22102021010111 is 11101012020122.

It is not a de Polignac number, because 22102021010111 - 2² = 22102021010107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102021010161) 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, 51996140 + ... + 52419486.

It is an arithmetic number, because the mean of its divisors is an integer number (1629652725120).

Almost surely, 2^{22102021010111} is an apocalyptic number.

22102021010111 is a deficient number, since it is larger than the sum of its proper divisors (3972422591809).

22102021010111 is a wasteful number, since it uses less digits than its factorization.

22102021010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663974.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22102021010111 its reverse (11101012020122), we get a palindrome (33203033030233).

The spelling of 22102021010111 in words is "twenty-two trillion, one hundred two billion, twenty-one million, ten thousand, one hundred eleven".