2113113113 has 2 divisors, whose sum is σ = 2113113114. Its totient is φ = 2113113112.

The previous prime is 2113113103. The next prime is 2113113137. The reversal of 2113113113 is 3113113112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1426044169 + 687068944 = 37763^2 + 26212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113113113 - 2⁴ = 2113113097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113113091 and 2113113100.

It is not a weakly prime, because it can be changed into another prime (2113113103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056556556 + 1056556557.

It is an arithmetic number, because the mean of its divisors is an integer number (1056556557).

Almost surely, 2^2113113113 is an apocalyptic number.

It is an amenable number.

2113113113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113113113 is an equidigital number, since it uses as much as digits as its factorization.

2113113113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54, while the sum is 17.

The square root of 2113113113 is about 45968.6100834037. The cubic root of 2113113113 is about 1283.2390931791.

Adding to 2113113113 its reverse (3113113112), we get a palindrome (5226226225).

Subtracting 2113113113 from its reverse (3113113112), we obtain a palindrome (999999999).

The spelling of 2113113113 in words is "two billion, one hundred thirteen million, one hundred thirteen thousand, one hundred thirteen".