113211130111 has 4 divisors (see below), whose sum is σ = 113223156424. Its totient is φ = 113199103800.

The previous prime is 113211130091. The next prime is 113211130129. The reversal of 113211130111 is 111031112311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111031112311 = 7 ⋅15861587473.

It is a cyclic number.

It is not a de Polignac number, because 113211130111 - 2⁹ = 113211129599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211130181) 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, 5999025 + ... + 6017866.

It is an arithmetic number, because the mean of its divisors is an integer number (28305789106).

Almost surely, 2^113211130111 is an apocalyptic number.

113211130111 is a deficient number, since it is larger than the sum of its proper divisors (12026313).

113211130111 is an equidigital number, since it uses as much as digits as its factorization.

113211130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12026312.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 113211130111 its reverse (111031112311), we get a palindrome (224242242422).

The spelling of 113211130111 in words is "one hundred thirteen billion, two hundred eleven million, one hundred thirty thousand, one hundred eleven".