22120211202201 has 256 divisors, whose sum is σ = 39732604108800. Its totient is φ = 11898399744000.

The previous prime is 22120211202149. The next prime is 22120211202227. The reversal of 22120211202201 is 10220211202122.

It is a happy number.

22120211202201 is a `hidden beast` number, since 2 + 212 + 0 + 211 + 20 + 220 + 1 = 666.

It is not a de Polignac number, because 22120211202201 - 2⁷ = 22120211202073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22120211202281) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 26683004655 + ... + 26683005483.

It is an arithmetic number, because the mean of its divisors is an integer number (155205484800).

Almost surely, 2^{22120211202201} is an apocalyptic number.

22120211202201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22120211202201 is a deficient number, since it is larger than the sum of its proper divisors (17612392906599).

22120211202201 is a wasteful number, since it uses less digits than its factorization.

22120211202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1711 counting only the distinct ones).

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

Adding to 22120211202201 its reverse (10220211202122), we get a palindrome (32340422404323).

The spelling of 22120211202201 in words is "twenty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred two thousand, two hundred one".