2111110120 has 64 divisors (see below), whose sum is σ = 5539392000. Its totient is φ = 723804480.

The previous prime is 2111110109. The next prime is 2111110189. The reversal of 2111110120 is 210111112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2111110097 and 2111110106.

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, 63216 + ... + 90655.

It is an arithmetic number, because the mean of its divisors is an integer number (86553000).

Almost surely, 2^2111110120 is an apocalyptic number.

2111110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111110120 is an abundant number, since it is smaller than the sum of its proper divisors (3428281880).

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

2111110120 is a wasteful number, since it uses less digits than its factorization.

2111110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153903 (or 153885 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2111110120 is about 45946.8183882192. The cubic root of 2111110120 is about 1282.8335096733.

Adding to 2111110120 its reverse (210111112), we get a palindrome (2321221232).

The spelling of 2111110120 in words is "two billion, one hundred eleven million, one hundred ten thousand, one hundred twenty".