111201021012013 has 4 divisors (see below), whose sum is σ = 111201062332768. Its totient is φ = 111200979691260.

The previous prime is 111201021012007. The next prime is 111201021012017. The reversal of 111201021012013 is 310210120102111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111201021012013 - 2¹⁷ = 111201020880941 is a prime.

It is a super-2 number, since 2×111201021012013² (a number of 29 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 (111201021012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16319631 + ... + 22107292.

It is an arithmetic number, because the mean of its divisors is an integer number (27800265583192).

Almost surely, 2^{111201021012013} is an apocalyptic number.

It is an amenable number.

111201021012013 is a deficient number, since it is larger than the sum of its proper divisors (41320755).

111201021012013 is an equidigital number, since it uses as much as digits as its factorization.

111201021012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41320754.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111201021012013 its reverse (310210120102111), we get a palindrome (421411141114124).

The spelling of 111201021012013 in words is "one hundred eleven trillion, two hundred one billion, twenty-one million, twelve thousand, thirteen".