22212102012201 has 24 divisors (see below), whose sum is σ = 32619274201800. Its totient is φ = 14563054368000.

The previous prime is 22212102012167. The next prime is 22212102012203. The reversal of 22212102012201 is 10221020121222.

It is a happy number.

22212102012201 is a `hidden beast` number, since 2 + 221 + 21 + 0 + 201 + 220 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3156467456025 + 19055634556176 = 1776645^2 + 4365276^2 .

It is not a de Polignac number, because 22212102012201 - 2⁷ = 22212102012073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212102012203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81863740 + ... + 82134621.

It is an arithmetic number, because the mean of its divisors is an integer number (1359136425075).

Almost surely, 2^{22212102012201} is an apocalyptic number.

It is an amenable number.

22212102012201 is a deficient number, since it is larger than the sum of its proper divisors (10407172189599).

22212102012201 is a wasteful number, since it uses less digits than its factorization.

22212102012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163998617 (or 163998614 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212102012201 its reverse (10221020121222), we get a palindrome (32433122133423).

The spelling of 22212102012201 in words is "twenty-two trillion, two hundred twelve billion, one hundred two million, twelve thousand, two hundred one".