113011111 has 8 divisors (see below), whose sum is σ = 115886960. Its totient is φ = 110170368.

The previous prime is 113011103. The next prime is 113011117. The reversal of 113011111 is 111110311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113011111 - 2³ = 113011103 is a prime.

It is a super-2 number, since 2×113011111² = 25543022418908642, which contains 22 as substring.

It is a Duffinian number.

113011111 is a modest number, since divided by 11111 gives 1130 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 15193.

It is an arithmetic number, because the mean of its divisors is an integer number (14485870).

Almost surely, 2^113011111 is an apocalyptic number.

113011111 is a deficient number, since it is larger than the sum of its proper divisors (2875849).

113011111 is an equidigital number, since it uses as much as digits as its factorization.

113011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17553.

The product of its (nonzero) digits is 3, while the sum is 10.

The square root of 113011111 is about 10630.6684173668. The cubic root of 113011111 is about 483.4746579466.

Adding to 113011111 its reverse (111110311), we get a palindrome (224121422).

The spelling of 113011111 in words is "one hundred thirteen million, eleven thousand, one hundred eleven".