2111313012 has 12 divisors (see below), whose sum is σ = 4926397056. Its totient is φ = 703771000.

The previous prime is 2111313007. The next prime is 2111313023. The reversal of 2111313012 is 2103131112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2111312982 and 2111313000.

It is a congruent number.

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, 87971364 + ... + 87971387.

It is an arithmetic number, because the mean of its divisors is an integer number (410533088).

Almost surely, 2^2111313012 is an apocalyptic number.

It is an amenable number.

2111313012 is an abundant number, since it is smaller than the sum of its proper divisors (2815084044).

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

2111313012 is a wasteful number, since it uses less digits than its factorization.

2111313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175942758 (or 175942756 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2111313012 is about 45949.0262356016. The cubic root of 2111313012 is about 1282.8746046903.

Adding to 2111313012 its reverse (2103131112), we get a palindrome (4214444124).

The spelling of 2111313012 in words is "two billion, one hundred eleven million, three hundred thirteen thousand, twelve".