111310331201 has 4 divisors (see below), whose sum is σ = 111312712404. Its totient is φ = 111307950000.

The previous prime is 111310331159. The next prime is 111310331221. The reversal of 111310331201 is 102133013111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32896890625 + 78413440576 = 181375^2 + 280024^2 .

It is a cyclic number.

It is not a de Polignac number, because 111310331201 - 2⁶ = 111310331137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111310331201.

It is not an unprimeable number, because it can be changed into a prime (111310331221) 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, 1119050 + ... + 1214451.

It is an arithmetic number, because the mean of its divisors is an integer number (27828178101).

Almost surely, 2^111310331201 is an apocalyptic number.

It is an amenable number.

111310331201 is a deficient number, since it is larger than the sum of its proper divisors (2381203).

111310331201 is an equidigital number, since it uses as much as digits as its factorization.

111310331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381202.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111310331201 its reverse (102133013111), we get a palindrome (213443344312).

The spelling of 111310331201 in words is "one hundred eleven billion, three hundred ten million, three hundred thirty-one thousand, two hundred one".