111012120013 has 8 divisors (see below), whose sum is σ = 111795544928. Its totient is φ = 110229943824.

The previous prime is 111012119993. The next prime is 111012120049. The reversal of 111012120013 is 310021210111.

It is a happy number.

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 111012120013 - 2²¹ = 111010022861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012119975 and 111012120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012150013) 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, 133395 + ... + 489712.

It is an arithmetic number, because the mean of its divisors is an integer number (13974443116).

Almost surely, 2^111012120013 is an apocalyptic number.

It is an amenable number.

111012120013 is a deficient number, since it is larger than the sum of its proper divisors (783424915).

111012120013 is a wasteful number, since it uses less digits than its factorization.

111012120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624363.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111012120013 its reverse (310021210111), we get a palindrome (421033330124).

The spelling of 111012120013 in words is "one hundred eleven billion, twelve million, one hundred twenty thousand, thirteen".