2111010112120 has 64 divisors (see below), whose sum is σ = 5845874166720. Its totient is φ = 668099902464.

The previous prime is 2111010112091. The next prime is 2111010112171. The reversal of 2111010112120 is 212110101112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 2111010112120.

It is a congruent number.

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, 289970277 + ... + 289977556.

It is an arithmetic number, because the mean of its divisors is an integer number (91341783855).

Almost surely, 2^{2111010112120} is an apocalyptic number.

2111010112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111010112120 is an abundant number, since it is smaller than the sum of its proper divisors (3734864054600).

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

2111010112120 is a wasteful number, since it uses less digits than its factorization.

2111010112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579947864 (or 579947860 counting only the distinct ones).

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

Adding to 2111010112120 its reverse (212110101112), we get a palindrome (2323120213232).

The spelling of 2111010112120 in words is "two trillion, one hundred eleven billion, ten million, one hundred twelve thousand, one hundred twenty".