22212122011011 has 40 divisors (see below), whose sum is σ = 34338817141200. Its totient is φ = 14291805084480.

The previous prime is 22212122011007. The next prime is 22212122011031. The reversal of 22212122011011 is 11011022121222.

22212122011011 is a `hidden beast` number, since 222 + 121 + 220 + 1 + 101 + 1 = 666.

It is not a de Polignac number, because 22212122011011 - 2² = 22212122011007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212122011031) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4077285 + ... + 7813353.

It is an arithmetic number, because the mean of its divisors is an integer number (858470428530).

Almost surely, 2^{22212122011011} is an apocalyptic number.

22212122011011 is a deficient number, since it is larger than the sum of its proper divisors (12126695130189).

22212122011011 is a wasteful number, since it uses less digits than its factorization.

22212122011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738641 (or 3738632 counting only the distinct ones).

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

Adding to 22212122011011 its reverse (11011022121222), we get a palindrome (33223144132233).

The spelling of 22212122011011 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, eleven thousand, eleven".