2101113 has 16 divisors (see below), whose sum is σ = 3557760. Its totient is φ = 1200528.

The previous prime is 2101111. The next prime is 2101123. The reversal of 2101113 is 3111012.

It is not a de Polignac number, because 2101113 - 2¹ = 2101111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2101095 and 2101104.

It is not an unprimeable number, because it can be changed into a prime (2101111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5370 + ... + 5747.

It is an arithmetic number, because the mean of its divisors is an integer number (222360).

2^2101113 is an apocalyptic number.

It is an amenable number.

2101113 is a deficient number, since it is larger than the sum of its proper divisors (1456647).

2101113 is a wasteful number, since it uses less digits than its factorization.

2101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133 (or 11127 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2101113 is about 1449.5216452334. The cubic root of 2101113 is about 128.0805360683.

Adding to 2101113 its reverse (3111012), we get a palindrome (5212125).

The spelling of 2101113 in words is "two million, one hundred one thousand, one hundred thirteen".