22012112010220 has 24 divisors (see below), whose sum is σ = 47819415747600. Its totient is φ = 8501229465792.

The previous prime is 22012112010211. The next prime is 22012112010257. The reversal of 22012112010220 is 2201021121022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22012112010194 and 22012112010203.

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, 18975958050 + ... + 18975959209.

It is an arithmetic number, because the mean of its divisors is an integer number (1992475656150).

Almost surely, 2^{22012112010220} is an apocalyptic number.

22012112010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012112010220 is an abundant number, since it is smaller than the sum of its proper divisors (25807303737380).

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

22012112010220 is a wasteful number, since it uses less digits than its factorization.

22012112010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37951917297 (or 37951917295 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22012112010220 its reverse (2201021121022), we get a palindrome (24213133131242).

The spelling of 22012112010220 in words is "twenty-two trillion, twelve billion, one hundred twelve million, ten thousand, two hundred twenty".