22211211220122 has 32 divisors (see below), whose sum is σ = 44472333528000. Its totient is φ = 7395422433408.

The previous prime is 22211211220069. The next prime is 22211211220123. The reversal of 22211211220122 is 22102211211222.

It is not an unprimeable number, because it can be changed into a prime (22211211220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22549968 + ... + 23514324.

It is an arithmetic number, because the mean of its divisors is an integer number (1389760422750).

Almost surely, 2^{22211211220122} is an apocalyptic number.

22211211220122 is an abundant number, since it is smaller than the sum of its proper divisors (22261122307878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22211211220122 is a wasteful number, since it uses less digits than its factorization.

22211211220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968670.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22211211220122 its reverse (22102211211222), we get a palindrome (44313422431344).

The spelling of 22211211220122 in words is "twenty-two trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty thousand, one hundred twenty-two".