22221202021122 has 16 divisors (see below), whose sum is σ = 47861050507200. Its totient is φ = 6837292929552.

The previous prime is 22221202021111. The next prime is 22221202021133. The reversal of 22221202021122 is 22112020212222.

It is an interprime number because it is at equal distance from previous prime (22221202021111) and next prime (22221202021133).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142443602622 + ... + 142443602777.

It is an arithmetic number, because the mean of its divisors is an integer number (2991315656700).

Almost surely, 2^{22221202021122} is an apocalyptic number.

22221202021122 is an abundant number, since it is smaller than the sum of its proper divisors (25639848486078).

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

22221202021122 is a wasteful number, since it uses less digits than its factorization.

22221202021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284887205417.

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

Adding to 22221202021122 its reverse (22112020212222), we get a palindrome (44333222233344).

The spelling of 22221202021122 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred two million, twenty-one thousand, one hundred twenty-two".