111312020310001 has 16 divisors (see below), whose sum is σ = 127629923466240. Its totient is φ = 95098307570640.

The previous prime is 111312020309929. The next prime is 111312020310089. The reversal of 111312020310001 is 100013020213111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111312020310001 - 2¹⁵ = 111312020277233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111312020310901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3289530 + ... + 15278908.

It is an arithmetic number, because the mean of its divisors is an integer number (7976870216640).

Almost surely, 2^{111312020310001} is an apocalyptic number.

It is an amenable number.

111312020310001 is a deficient number, since it is larger than the sum of its proper divisors (16317903156239).

111312020310001 is a wasteful number, since it uses less digits than its factorization.

111312020310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993724.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111312020310001 its reverse (100013020213111), we get a palindrome (211325040523112).

The spelling of 111312020310001 in words is "one hundred eleven trillion, three hundred twelve billion, twenty million, three hundred ten thousand, one".