12110110022220 has 48 divisors (see below), whose sum is σ = 38752352072448. Its totient is φ = 2768025147840.

The previous prime is 12110110022191. The next prime is 12110110022299. The reversal of 12110110022220 is 2222001101121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12110110022220.

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, 14416797226 + ... + 14416798065.

It is an arithmetic number, because the mean of its divisors is an integer number (807340668176).

Almost surely, 2^{12110110022220} is an apocalyptic number.

12110110022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110110022220 is an abundant number, since it is smaller than the sum of its proper divisors (26642242050228).

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

12110110022220 is a wasteful number, since it uses less digits than its factorization.

12110110022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28833595310 (or 28833595308 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12110110022220 its reverse (2222001101121), we get a palindrome (14332111123341).

The spelling of 12110110022220 in words is "twelve trillion, one hundred ten billion, one hundred ten million, twenty-two thousand, two hundred twenty".