1011102112120 has 16 divisors (see below), whose sum is σ = 2274979752360. Its totient is φ = 404440844832.

The previous prime is 1011102112063. The next prime is 1011102112157. The reversal of 1011102112120 is 212112011101.

It is a happy number.

It is a super-2 number, since 2×1011102112120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1011102112120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12638776362 + ... + 12638776441.

Almost surely, 2^{1011102112120} is an apocalyptic number.

1011102112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011102112120 is an abundant number, since it is smaller than the sum of its proper divisors (1263877640240).

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

1011102112120 is a wasteful number, since it uses less digits than its factorization.

1011102112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25277552814 (or 25277552810 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011102112120 its reverse (212112011101), we get a palindrome (1223214123221).

The spelling of 1011102112120 in words is "one trillion, eleven billion, one hundred two million, one hundred twelve thousand, one hundred twenty".