2113412413221 has 32 divisors (see below), whose sum is σ = 3283695486720. Its totient is φ = 1340842168512.

The previous prime is 2113412413201. The next prime is 2113412413223. The reversal of 2113412413221 is 1223142143112.

2113412413221 is a `hidden beast` number, since 2 + 1 + 13 + 4 + 12 + 413 + 221 = 666.

It is not a de Polignac number, because 2113412413221 - 2⁷ = 2113412413093 is a prime.

It is a super-2 number, since 2×2113412413221² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113412413223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8515330 + ... + 8760003.

It is an arithmetic number, because the mean of its divisors is an integer number (102615483960).

Almost surely, 2^{2113412413221} is an apocalyptic number.

It is an amenable number.

2113412413221 is a deficient number, since it is larger than the sum of its proper divisors (1170283073499).

2113412413221 is a wasteful number, since it uses less digits than its factorization.

2113412413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17275562 (or 17275556 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 2113412413221 its reverse (1223142143112), we get a palindrome (3336554556333).

The spelling of 2113412413221 in words is "two trillion, one hundred thirteen billion, four hundred twelve million, four hundred thirteen thousand, two hundred twenty-one".