2111102120120 has 32 divisors (see below), whose sum is σ = 5428548309600. Its totient is φ = 723806441088.

The previous prime is 2111102120093. The next prime is 2111102120159. The reversal of 2111102120120 is 210212011112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2111102120095 and 2111102120104.

It is a congruent number.

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, 3769824935 + ... + 3769825494.

It is an arithmetic number, because the mean of its divisors is an integer number (169642134675).

Almost surely, 2^{2111102120120} is an apocalyptic number.

2111102120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111102120120 is an abundant number, since it is smaller than the sum of its proper divisors (3317446189480).

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

2111102120120 is a wasteful number, since it uses less digits than its factorization.

2111102120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539650447 (or 7539650443 counting only the distinct ones).

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

Adding to 2111102120120 its reverse (210212011112), we get a palindrome (2321314131232).

The spelling of 2111102120120 in words is "two trillion, one hundred eleven billion, one hundred two million, one hundred twenty thousand, one hundred twenty".