111002010013231 has 4 divisors (see below), whose sum is σ = 111002031322864. Its totient is φ = 111001988703600.

The previous prime is 111002010013229. The next prime is 111002010013463. The reversal of 111002010013231 is 132310010200111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111002010013231 - 2¹ = 111002010013229 is a prime.

It is a super-2 number, since 2×111002010013231² (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 (111002010013031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944771 + ... + 15188011.

It is an arithmetic number, because the mean of its divisors is an integer number (27750507830716).

Almost surely, 2^{111002010013231} is an apocalyptic number.

111002010013231 is a deficient number, since it is larger than the sum of its proper divisors (21309633).

111002010013231 is an equidigital number, since it uses as much as digits as its factorization.

111002010013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21309632.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111002010013231 its reverse (132310010200111), we get a palindrome (243312020213342).

The spelling of 111002010013231 in words is "one hundred eleven trillion, two billion, ten million, thirteen thousand, two hundred thirty-one".