2113021311113 has 4 divisors (see below), whose sum is σ = 2162161341648. Its totient is φ = 2063881280580.

The previous prime is 2113021311083. The next prime is 2113021311119. The reversal of 2113021311113 is 3111131203112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113021311113 - 2²⁴ = 2113004533897 is a prime.

It is a super-2 number, since 2×2113021311113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113021311119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24570015203 + ... + 24570015288.

It is an arithmetic number, because the mean of its divisors is an integer number (540540335412).

Almost surely, 2^{2113021311113} is an apocalyptic number.

It is an amenable number.

2113021311113 is a deficient number, since it is larger than the sum of its proper divisors (49140030535).

2113021311113 is an equidigital number, since it uses as much as digits as its factorization.

2113021311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49140030534.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 2113021311113 its reverse (3111131203112), we get a palindrome (5224152514225).

The spelling of 2113021311113 in words is "two trillion, one hundred thirteen billion, twenty-one million, three hundred eleven thousand, one hundred thirteen".