2111010120 has 64 divisors (see below), whose sum is σ = 7036704000. Its totient is φ = 562935744.

The previous prime is 2111010089. The next prime is 2111010133. The reversal of 2111010120 is 210101112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 976240 + ... + 978399.

It is an arithmetic number, because the mean of its divisors is an integer number (109948500).

Almost surely, 2^2111010120 is an apocalyptic number.

2111010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111010120 is an abundant number, since it is smaller than the sum of its proper divisors (4925693880).

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

2111010120 is a wasteful number, since it uses less digits than its factorization.

2111010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954659 (or 1954649 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2111010120 is about 45945.7301607015. The cubic root of 2111010120 is about 1282.8132540781.

Adding to 2111010120 its reverse (210101112), we get a palindrome (2321111232).

It can be divided in two parts, 211 and 1010120, that added together give a triangular number (1010331 = T₁₄₂₁).

The spelling of 2111010120 in words is "two billion, one hundred eleven million, ten thousand, one hundred twenty".