111001013 has 8 divisors (see below), whose sum is σ = 115980288. Its totient is φ = 106034544.

The previous prime is 111001003. The next prime is 111001019. The reversal of 111001013 is 310100111.

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 111001013 - 2⁶ = 111000949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001019) 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, 17420 + ... + 22922.

It is an arithmetic number, because the mean of its divisors is an integer number (14497536).

Almost surely, 2^111001013 is an apocalyptic number.

It is an amenable number.

111001013 is a deficient number, since it is larger than the sum of its proper divisors (4979275).

111001013 is an equidigital number, since it uses as much as digits as its factorization.

111001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 111001013 is about 10535.7018275955. The cubic root of 111001013 is about 480.5910153397.

Adding to 111001013 its reverse (310100111), we get a palindrome (421101124).

The spelling of 111001013 in words is "one hundred eleven million, one thousand, thirteen".