111113012 has 24 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 54511520.

The previous prime is 111113011. The next prime is 111113017. The reversal of 111113012 is 210311111.

It is a happy number.

It is a super-2 number, since 2×111113012² = 24692202871424288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111112984 and 111113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113011) 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, 67058 + ... + 68694.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^111113012 is an apocalyptic number.

It is an amenable number.

111113012 is a deficient number, since it is larger than the sum of its proper divisors (87019468).

111113012 is a wasteful number, since it uses less digits than its factorization.

111113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 111113012 is about 10541.0157005860. The cubic root of 111113012 is about 480.7525983097.

Adding to 111113012 its reverse (210311111), we get a palindrome (321424123).

The spelling of 111113012 in words is "one hundred eleven million, one hundred thirteen thousand, twelve".