111112320001 has 4 divisors (see below), whose sum is σ = 111726200404. Its totient is φ = 110498439600.

The previous prime is 111112319917. The next prime is 111112320041. The reversal of 111112320001 is 100023211111.

It is a happy number.

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 2426055025 + 108686264976 = 49255^2 + 329676^2 .

It is a cyclic number.

It is not a de Polignac number, because 111112320001 - 2¹⁵ = 111112287233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112320041) 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, 306939930 + ... + 306940291.

It is an arithmetic number, because the mean of its divisors is an integer number (27931550101).

Almost surely, 2^111112320001 is an apocalyptic number.

It is an amenable number.

111112320001 is a deficient number, since it is larger than the sum of its proper divisors (613880403).

111112320001 is an equidigital number, since it uses as much as digits as its factorization.

111112320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613880402.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111112320001 its reverse (100023211111), we get a palindrome (211135531112).

The spelling of 111112320001 in words is "one hundred eleven billion, one hundred twelve million, three hundred twenty thousand, one".