22122021011211 has 48 divisors (see below), whose sum is σ = 35431720796160. Its totient is φ = 13187002392000.

The previous prime is 22122021011203. The next prime is 22122021011221. The reversal of 22122021011211 is 11211012022122.

22122021011211 is a `hidden beast` number, since 2 + 21 + 220 + 210 + 1 + 1 + 211 = 666.

It is not a de Polignac number, because 22122021011211 - 2³ = 22122021011203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122021011221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221527030 + ... + 221626868.

It is an arithmetic number, because the mean of its divisors is an integer number (738160849920).

Almost surely, 2^{22122021011211} is an apocalyptic number.

22122021011211 is a deficient number, since it is larger than the sum of its proper divisors (13309699784949).

22122021011211 is a wasteful number, since it uses less digits than its factorization.

22122021011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136608 (or 136605 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22122021011211 its reverse (11211012022122), we get a palindrome (33333033033333).

The spelling of 22122021011211 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, eleven thousand, two hundred eleven".