111012123113 has 16 divisors (see below), whose sum is σ = 117825840000. Its totient is φ = 104230194432.

The previous prime is 111012123091. The next prime is 111012123143. The reversal of 111012123113 is 311321210111.

It is a cyclic number.

It is not a de Polignac number, because 111012123113 - 2⁶ = 111012123049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012123091 and 111012123100.

It is not an unprimeable number, because it can be changed into a prime (111012123143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17399558 + ... + 17405936.

It is an arithmetic number, because the mean of its divisors is an integer number (7364115000).

Almost surely, 2^111012123113 is an apocalyptic number.

It is an amenable number.

111012123113 is a deficient number, since it is larger than the sum of its proper divisors (6813716887).

111012123113 is a wasteful number, since it uses less digits than its factorization.

111012123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8704.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111012123113 its reverse (311321210111), we get a palindrome (422333333224).

The spelling of 111012123113 in words is "one hundred eleven billion, twelve million, one hundred twenty-three thousand, one hundred thirteen".