113201023111 has 4 divisors (see below), whose sum is σ = 123492025224. Its totient is φ = 102910021000.

The previous prime is 113201023093. The next prime is 113201023123. The reversal of 113201023111 is 111320102311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111320102311 = 11 ⋅10120009301.

It is a cyclic number.

It is not a de Polignac number, because 113201023111 - 2⁵ = 113201023079 is a prime.

It is a super-2 number, since 2×113201023111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113201023511) 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, 5145501040 + ... + 5145501061.

It is an arithmetic number, because the mean of its divisors is an integer number (30873006306).

Almost surely, 2^113201023111 is an apocalyptic number.

113201023111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113201023111 is a deficient number, since it is larger than the sum of its proper divisors (10291002113).

113201023111 is a wasteful number, since it uses less digits than its factorization.

113201023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291002112.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113201023111 its reverse (111320102311), we get a palindrome (224521125422).

The spelling of 113201023111 in words is "one hundred thirteen billion, two hundred one million, twenty-three thousand, one hundred eleven".