22120022212122 has 32 divisors (see below), whose sum is σ = 44385477120000. Its totient is φ = 7349122513008.

The previous prime is 22120022212097. The next prime is 22120022212147. The reversal of 22120022212122 is 22121222002122.

It is an interprime number because it is at equal distance from previous prime (22120022212097) and next prime (22120022212147).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737243 + ... + 6874449.

It is an arithmetic number, because the mean of its divisors is an integer number (1387046160000).

Almost surely, 2^{22120022212122} is an apocalyptic number.

22120022212122 is an abundant number, since it is smaller than the sum of its proper divisors (22265454907878).

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

22120022212122 is a wasteful number, since it uses less digits than its factorization.

22120022212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139570.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22120022212122 its reverse (22121222002122), we get a palindrome (44241244214244).

The spelling of 22120022212122 in words is "twenty-two trillion, one hundred twenty billion, twenty-two million, two hundred twelve thousand, one hundred twenty-two".