2113312121333 has 16 divisors (see below), whose sum is σ = 2439092088576. Its totient is φ = 1793507909760.

The previous prime is 2113312121329. The next prime is 2113312121363. The reversal of 2113312121333 is 3331212133112.

It is not a de Polignac number, because 2113312121333 - 2² = 2113312121329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113312121363) 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, 3883985 + ... + 4394537.

It is an arithmetic number, because the mean of its divisors is an integer number (152443255536).

Almost surely, 2^{2113312121333} is an apocalyptic number.

It is an amenable number.

2113312121333 is a deficient number, since it is larger than the sum of its proper divisors (325779967243).

2113312121333 is a wasteful number, since it uses less digits than its factorization.

2113312121333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516404.

The product of its digits is 1944, while the sum is 26.

Adding to 2113312121333 its reverse (3331212133112), we get a palindrome (5444524254445).

The spelling of 2113312121333 in words is "two trillion, one hundred thirteen billion, three hundred twelve million, one hundred twenty-one thousand, three hundred thirty-three".