2101120012 has 12 divisors (see below), whose sum is σ = 3836828016. Its totient is φ = 1004883440.

The previous prime is 2101120009. The next prime is 2101120027. The reversal of 2101120012 is 2100211012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11419039 + ... + 11419222.

It is an arithmetic number, because the mean of its divisors is an integer number (319735668).

Almost surely, 2^2101120012 is an apocalyptic number.

It is an amenable number.

2101120012 is a deficient number, since it is larger than the sum of its proper divisors (1735708004).

2101120012 is a wasteful number, since it uses less digits than its factorization.

2101120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22838288 (or 22838286 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2101120012 is about 45837.9756533816. The cubic root of 2101120012 is about 1280.8067854834.

Adding to 2101120012 its reverse (2100211012), we get a palindrome (4201331024).

The spelling of 2101120012 in words is "two billion, one hundred one million, one hundred twenty thousand, twelve".