2102120011120 has 40 divisors (see below), whose sum is σ = 4893132136464. Its totient is φ = 839866824192.

The previous prime is 2102120011093. The next prime is 2102120011133. The reversal of 2102120011120 is 211100212012.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2102120011120² (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 2102120011120.

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, 15261954 + ... + 15399073.

Almost surely, 2^{2102120011120} is an apocalyptic number.

2102120011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102120011120 is an abundant number, since it is smaller than the sum of its proper divisors (2791012125344).

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

2102120011120 is a wasteful number, since it uses less digits than its factorization.

2102120011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30661897 (or 30661891 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2102120011120 its reverse (211100212012), we get a palindrome (2313220223132).

The spelling of 2102120011120 in words is "two trillion, one hundred two billion, one hundred twenty million, eleven thousand, one hundred twenty".