2113311323421 has 12 divisors (see below), whose sum is σ = 3213221895520. Its totient is φ = 1334722941000.

The previous prime is 2113311323419. The next prime is 2113311323443. The reversal of 2113311323421 is 1243231133112.

2113311323421 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 311 + 3 + 2 + 342 + 1 = 666.

It is not a de Polignac number, because 2113311323421 - 2¹ = 2113311323419 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 (2113311323401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6179272705 + ... + 6179273046.

Almost surely, 2^{2113311323421} is an apocalyptic number.

It is an amenable number.

2113311323421 is a deficient number, since it is larger than the sum of its proper divisors (1099910572099).

2113311323421 is a wasteful number, since it uses less digits than its factorization.

2113311323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12358545776 (or 12358545773 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 2113311323421 its reverse (1243231133112), we get a palindrome (3356542456533).

The spelling of 2113311323421 in words is "two trillion, one hundred thirteen billion, three hundred eleven million, three hundred twenty-three thousand, four hundred twenty-one".