22212113211 has 12 divisors (see below), whose sum is σ = 33119136960. Its totient is φ = 14330395440.

The previous prime is 22212113207. The next prime is 22212113221. The reversal of 22212113211 is 11231121222.

22212113211 is a `hidden beast` number, since 222 + 121 + 1 + 321 + 1 = 666.

It is not a de Polignac number, because 22212113211 - 2² = 22212113207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212113221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39806376 + ... + 39806933.

It is an arithmetic number, because the mean of its divisors is an integer number (2759928080).

Almost surely, 2^22212113211 is an apocalyptic number.

22212113211 is a deficient number, since it is larger than the sum of its proper divisors (10907023749).

22212113211 is a wasteful number, since it uses less digits than its factorization.

22212113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79613346 (or 79613343 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 22212113211 its reverse (11231121222), we get a palindrome (33443234433).

The spelling of 22212113211 in words is "twenty-two billion, two hundred twelve million, one hundred thirteen thousand, two hundred eleven".