111001022013 has 32 divisors (see below), whose sum is σ = 171303552000. Its totient is φ = 62620563456.

The previous prime is 111001022009. The next prime is 111001022017. The reversal of 111001022013 is 310220100111.

It is an interprime number because it is at equal distance from previous prime (111001022009) and next prime (111001022017).

It is not a de Polignac number, because 111001022013 - 2² = 111001022009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111001022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001022017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2521213 + ... + 2564861.

It is an arithmetic number, because the mean of its divisors is an integer number (5353236000).

Almost surely, 2^111001022013 is an apocalyptic number.

It is an amenable number.

111001022013 is a deficient number, since it is larger than the sum of its proper divisors (60302529987).

111001022013 is a wasteful number, since it uses less digits than its factorization.

111001022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45201.

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

Adding to 111001022013 its reverse (310220100111), we get a palindrome (421221122124).

The spelling of 111001022013 in words is "one hundred eleven billion, one million, twenty-two thousand, thirteen".