111113130312001 has 4 divisors (see below), whose sum is σ = 111136274064004. Its totient is φ = 111089986560000.

The previous prime is 111113130311947. The next prime is 111113130312007. The reversal of 111113130312001 is 100213031311111.

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 34014545175601 + 77098585136400 = 5832199^2 + 8780580^2 .

It is a cyclic number.

It is not a de Polignac number, because 111113130312001 - 2¹¹ = 111113130309953 is a prime.

It is a super-2 number, since 2×111113130312001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111113130312001.

It is not an unprimeable number, because it can be changed into a prime (111113130312007) 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, 11571868800 + ... + 11571878401.

It is an arithmetic number, because the mean of its divisors is an integer number (27784068516001).

Almost surely, 2^{111113130312001} is an apocalyptic number.

It is an amenable number.

111113130312001 is a deficient number, since it is larger than the sum of its proper divisors (23143752003).

111113130312001 is an equidigital number, since it uses as much as digits as its factorization.

111113130312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23143752002.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 111113130312001 its reverse (100213031311111), we get a palindrome (211326161623112).

The spelling of 111113130312001 in words is "one hundred eleven trillion, one hundred thirteen billion, one hundred thirty million, three hundred twelve thousand, one".