111023112001 has 4 divisors (see below), whose sum is σ = 111070580400. Its totient is φ = 110975643604.

The previous prime is 111023111989. The next prime is 111023112073. The reversal of 111023112001 is 100211320111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111023112001 - 2⁷ = 111023111873 is a prime.

It is a super-2 number, since 2×111023112001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111023112401) 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, 23730691 + ... + 23735368.

It is an arithmetic number, because the mean of its divisors is an integer number (27767645100).

Almost surely, 2^111023112001 is an apocalyptic number.

It is an amenable number.

111023112001 is a deficient number, since it is larger than the sum of its proper divisors (47468399).

111023112001 is an equidigital number, since it uses as much as digits as its factorization.

111023112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47468398.

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

Adding to 111023112001 its reverse (100211320111), we get a palindrome (211234432112).

The spelling of 111023112001 in words is "one hundred eleven billion, twenty-three million, one hundred twelve thousand, one".