111023305020401 has 16 divisors (see below), whose sum is σ = 117568480713600. Its totient is φ = 104548335614208.

The previous prime is 111023305020373. The next prime is 111023305020413. The reversal of 111023305020401 is 104020503320111.

It is a cyclic number.

It is not a de Polignac number, because 111023305020401 - 2³⁴ = 111006125151217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111023305020431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203856665 + ... + 204400553.

It is an arithmetic number, because the mean of its divisors is an integer number (7348030044600).

Almost surely, 2^{111023305020401} is an apocalyptic number.

It is an amenable number.

111023305020401 is a deficient number, since it is larger than the sum of its proper divisors (6545175693199).

111023305020401 is a wasteful number, since it uses less digits than its factorization.

111023305020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608408.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 111023305020401 its reverse (104020503320111), we get a palindrome (215043808340512).

The spelling of 111023305020401 in words is "one hundred eleven trillion, twenty-three billion, three hundred five million, twenty thousand, four hundred one".