22212122111022 has 16 divisors (see below), whose sum is σ = 44656831890432. Its totient is φ = 7365276092280.

The previous prime is 22212122111017. The next prime is 22212122111033. The reversal of 22212122111022 is 22011122121222.

It is a self number, because there is not a number n which added to its sum of digits gives 22212122111022.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9691151608 + ... + 9691153899.

It is an arithmetic number, because the mean of its divisors is an integer number (2791051993152).

Almost surely, 2^{22212122111022} is an apocalyptic number.

22212122111022 is an abundant number, since it is smaller than the sum of its proper divisors (22444709779410).

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

22212122111022 is a wasteful number, since it uses less digits than its factorization.

22212122111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19382305703.

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

Adding to 22212122111022 its reverse (22011122121222), we get a palindrome (44223244232244).

The spelling of 22212122111022 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, twenty-two".