12020111202110 has 128 divisors (see below), whose sum is σ = 26311147315200. Its totient is φ = 3896686725120.

The previous prime is 12020111202097. The next prime is 12020111202193. The reversal of 12020111202110 is 1120211102021.

It is a super-2 number, since 2×12020111202110² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252345776 + ... + 252393404.

It is an arithmetic number, because the mean of its divisors is an integer number (205555838400).

Almost surely, 2^{12020111202110} is an apocalyptic number.

12020111202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020111202110 is an abundant number, since it is smaller than the sum of its proper divisors (14291036113090).

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

12020111202110 is a wasteful number, since it uses less digits than its factorization.

12020111202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54786.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12020111202110 its reverse (1120211102021), we get a palindrome (13140322304131).

It can be divided in two parts, 12020111 and 202110, that added together give a palindrome (12222221).

The spelling of 12020111202110 in words is "twelve trillion, twenty billion, one hundred eleven million, two hundred two thousand, one hundred ten".