111231443201 has 8 divisors (see below), whose sum is σ = 114850431744. Its totient is φ = 107614384560.

The previous prime is 111231443179. The next prime is 111231443221. The reversal of 111231443201 is 102344132111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-111231443201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111231443221) 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, 364871 + ... + 596316.

It is an arithmetic number, because the mean of its divisors is an integer number (14356303968).

Almost surely, 2^111231443201 is an apocalyptic number.

It is an amenable number.

111231443201 is a deficient number, since it is larger than the sum of its proper divisors (3618988543).

111231443201 is an equidigital number, since it uses as much as digits as its factorization.

111231443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964951.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111231443201 its reverse (102344132111), we get a palindrome (213575575312).

The spelling of 111231443201 in words is "one hundred eleven billion, two hundred thirty-one million, four hundred forty-three thousand, two hundred one".