3113121121121 has 32 divisors (see below), whose sum is σ = 3644357875200. Its totient is φ = 2629517143680.

The previous prime is 3113121121069. The next prime is 3113121121141. The reversal of 3113121121121 is 1211211213113.

It is a cyclic number.

It is not a de Polignac number, because 3113121121121 - 2²² = 3113116926817 is a prime.

It is a super-2 number, since 2×3113121121121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3113121121093 and 3113121121102.

It is not an unprimeable number, because it can be changed into a prime (3113121121141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1721570 + ... + 3031508.

It is an arithmetic number, because the mean of its divisors is an integer number (113886183600).

Almost surely, 2^{3113121121121} is an apocalyptic number.

It is an amenable number.

3113121121121 is a deficient number, since it is larger than the sum of its proper divisors (531236754079).

3113121121121 is a wasteful number, since it uses less digits than its factorization.

3113121121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310189.

The product of its digits is 72, while the sum is 20.

Adding to 3113121121121 its reverse (1211211213113), we get a palindrome (4324332334234).

The spelling of 3113121121121 in words is "three trillion, one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".