11112011102120 has 64 divisors (see below), whose sum is σ = 25660760178240. Its totient is φ = 4328320550400.

The previous prime is 11112011102119. The next prime is 11112011102141. The reversal of 11112011102120 is 2120111021111.

It is a junction number, because it is equal to n+sod(n) for n = 11112011102095 and 11112011102104.

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, 9189701 + ... + 10328340.

It is an arithmetic number, because the mean of its divisors is an integer number (400949377785).

Almost surely, 2^{11112011102120} is an apocalyptic number.

11112011102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112011102120 is an abundant number, since it is smaller than the sum of its proper divisors (14548749076120).

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

11112011102120 is a wasteful number, since it uses less digits than its factorization.

11112011102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19518426 (or 19518422 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112011102120 its reverse (2120111021111), we get a palindrome (13232122123231).

The spelling of 11112011102120 in words is "eleven trillion, one hundred twelve billion, eleven million, one hundred two thousand, one hundred twenty".