111122002013 has 6 divisors (see below), whose sum is σ = 122142365982. Its totient is φ = 101020001720.

The previous prime is 111122001997. The next prime is 111122002027. The reversal of 111122002013 is 310200221111.

It can be written as a sum of positive squares in only one way, i.e., 107871519844 + 3250482169 = 328438^2 + 57013^2 .

It is not a de Polignac number, because 111122002013 - 2⁴ = 111122001997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122002073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459181706 + ... + 459181947.

It is an arithmetic number, because the mean of its divisors is an integer number (20357060997).

Almost surely, 2^111122002013 is an apocalyptic number.

It is an amenable number.

111122002013 is a deficient number, since it is larger than the sum of its proper divisors (11020363969).

111122002013 is an equidigital number, since it uses as much as digits as its factorization.

111122002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918363675 (or 918363664 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111122002013 its reverse (310200221111), we get a palindrome (421322223124).

The spelling of 111122002013 in words is "one hundred eleven billion, one hundred twenty-two million, two thousand, thirteen".