3113120121 has 16 divisors (see below), whose sum is σ = 4403155968. Its totient is φ = 1949702400.

The previous prime is 3113120117. The next prime is 3113120123. The reversal of 3113120121 is 1210213113.

It is a happy number.

It is not a de Polignac number, because 3113120121 - 2² = 3113120117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3113120121.

It is not an unprimeable number, because it can be changed into a prime (3113120123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28825 + ... + 84006.

It is an arithmetic number, because the mean of its divisors is an integer number (275197248).

Almost surely, 2^3113120121 is an apocalyptic number.

It is an amenable number.

3113120121 is a deficient number, since it is larger than the sum of its proper divisors (1290035847).

3113120121 is a wasteful number, since it uses less digits than its factorization.

3113120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113392.

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

The square root of 3113120121 is about 55795.3413915535. The cubic root of 3113120121 is about 1460.1538777265.

Adding to 3113120121 its reverse (1210213113), we get a palindrome (4323333234).

The spelling of 3113120121 in words is "three billion, one hundred thirteen million, one hundred twenty thousand, one hundred twenty-one".