22022021110512 has 20 divisors (see below), whose sum is σ = 56890221202280. Its totient is φ = 7340673703488.

The previous prime is 22022021110511. The next prime is 22022021110513. The reversal of 22022021110512 is 21501112022022.

It is an interprime number because it is at equal distance from previous prime (22022021110511) and next prime (22022021110513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022021110511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229396053187 + ... + 229396053282.

It is an arithmetic number, because the mean of its divisors is an integer number (2844511060114).

Almost surely, 2^{22022021110512} is an apocalyptic number.

It is an amenable number.

22022021110512 is an abundant number, since it is smaller than the sum of its proper divisors (34868200091768).

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

22022021110512 is a wasteful number, since it uses less digits than its factorization.

22022021110512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458792106480 (or 458792106474 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 22022021110512 its reverse (21501112022022), we get a palindrome (43523133132534).

The spelling of 22022021110512 in words is "twenty-two trillion, twenty-two billion, twenty-one million, one hundred ten thousand, five hundred twelve".