113012220111 has 48 divisors (see below), whose sum is σ = 177209472384. Its totient is φ = 63871098816.

The previous prime is 113012220107. The next prime is 113012220119. The reversal of 113012220111 is 111022210311.

It is not a de Polignac number, because 113012220111 - 2² = 113012220107 is a prime.

It is a super-2 number, since 2×113012220111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012220119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10265536 + ... + 10276538.

It is an arithmetic number, because the mean of its divisors is an integer number (3691864008).

Almost surely, 2^113012220111 is an apocalyptic number.

113012220111 is a deficient number, since it is larger than the sum of its proper divisors (64197252273).

113012220111 is a wasteful number, since it uses less digits than its factorization.

113012220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11780 (or 11773 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 113012220111 its reverse (111022210311), we get a palindrome (224034430422).

The spelling of 113012220111 in words is "one hundred thirteen billion, twelve million, two hundred twenty thousand, one hundred eleven".