2111012113 has 4 divisors (see below), whose sum is σ = 2412585280. Its totient is φ = 1809438948.

The previous prime is 2111012107. The next prime is 2111012117. The reversal of 2111012113 is 3112101112.

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 2111012113 - 2²⁹ = 1574141201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111012093 and 2111012102.

It is not an unprimeable number, because it can be changed into a prime (2111012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150786573 + ... + 150786586.

It is an arithmetic number, because the mean of its divisors is an integer number (603146320).

Almost surely, 2^2111012113 is an apocalyptic number.

It is an amenable number.

2111012113 is a deficient number, since it is larger than the sum of its proper divisors (301573167).

2111012113 is an equidigital number, since it uses as much as digits as its factorization.

2111012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301573166.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2111012113 is about 45945.7518493277. The cubic root of 2111012113 is about 1282.8136577783.

Adding to 2111012113 its reverse (3112101112), we get a palindrome (5223113225).

The spelling of 2111012113 in words is "two billion, one hundred eleven million, twelve thousand, one hundred thirteen".