111331003001 has 4 divisors (see below), whose sum is σ = 111446134272. Its totient is φ = 111215871732.

The previous prime is 111331002973. The next prime is 111331003019. The reversal of 111331003001 is 100300133111.

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 a de Polignac number, because none of the positive numbers 2^k-111331003001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111331003031) 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, 57564185 + ... + 57566118.

It is an arithmetic number, because the mean of its divisors is an integer number (27861533568).

Almost surely, 2^111331003001 is an apocalyptic number.

It is an amenable number.

111331003001 is a deficient number, since it is larger than the sum of its proper divisors (115131271).

111331003001 is an equidigital number, since it uses as much as digits as its factorization.

111331003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115131270.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 111331003001 its reverse (100300133111), we get a palindrome (211631136112).

The spelling of 111331003001 in words is "one hundred eleven billion, three hundred thirty-one million, three thousand, one".