2113013011 has 4 divisors (see below), whose sum is σ = 2237307912. Its totient is φ = 1988718112.

The previous prime is 2113013003. The next prime is 2113013017. The reversal of 2113013011 is 1103103112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2113013011 - 2³ = 2113013003 is a prime.

It is a super-2 number, since 2×2113013011² = 8929647969310572242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113012982 and 2113013000.

It is not an unprimeable number, because it can be changed into a prime (2113013017) 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, 62147425 + ... + 62147458.

It is an arithmetic number, because the mean of its divisors is an integer number (559326978).

Almost surely, 2^2113013011 is an apocalyptic number.

2113013011 is a deficient number, since it is larger than the sum of its proper divisors (124294901).

2113013011 is a wasteful number, since it uses less digits than its factorization.

2113013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124294900.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2113013011 is about 45967.5212623000. The cubic root of 2113013011 is about 1283.2188297382.

Adding to 2113013011 its reverse (1103103112), we get a palindrome (3216116123).

The spelling of 2113013011 in words is "two billion, one hundred thirteen million, thirteen thousand, eleven".