2111010113 has 4 divisors (see below), whose sum is σ = 2137731840. Its totient is φ = 2084288388.

The previous prime is 2111010089. The next prime is 2111010133. The reversal of 2111010113 is 3110101112.

It is a happy number.

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 2111010113 - 2³⁰ = 1037268289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111010094 and 2111010103.

It is not an unprimeable number, because it can be changed into a prime (2111010133) 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, 13360745 + ... + 13360902.

It is an arithmetic number, because the mean of its divisors is an integer number (534432960).

Almost surely, 2^2111010113 is an apocalyptic number.

It is an amenable number.

2111010113 is a deficient number, since it is larger than the sum of its proper divisors (26721727).

2111010113 is an equidigital number, since it uses as much as digits as its factorization.

2111010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26721726.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 2111010113 is about 45945.7300845247. The cubic root of 2111010113 is about 1282.8132526602.

Adding to 2111010113 its reverse (3110101112), we get a palindrome (5221111225).

Subtracting 2111010113 from its reverse (3110101112), we obtain a palindrome (999090999).

The spelling of 2111010113 in words is "two billion, one hundred eleven million, ten thousand, one hundred thirteen".