22100212011021 has 16 divisors (see below), whose sum is σ = 29672832872640. Its totient is φ = 14630685989760.

The previous prime is 22100212011013. The next prime is 22100212011169. The reversal of 22100212011021 is 12011021200122.

It is not a de Polignac number, because 22100212011021 - 2³ = 22100212011013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100212411021) 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, 18556576 + ... + 19711593.

It is an arithmetic number, because the mean of its divisors is an integer number (1854552054540).

Almost surely, 2^{22100212011021} is an apocalyptic number.

It is an amenable number.

22100212011021 is a deficient number, since it is larger than the sum of its proper divisors (7572620861619).

22100212011021 is a wasteful number, since it uses less digits than its factorization.

22100212011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38269516.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22100212011021 its reverse (12011021200122), we get a palindrome (34111233211143).

The spelling of 22100212011021 in words is "twenty-two trillion, one hundred billion, two hundred twelve million, eleven thousand, twenty-one".