111023112232201 has 4 divisors (see below), whose sum is σ = 119563351634692. Its totient is φ = 102482872829712.

The previous prime is 111023112232181. The next prime is 111023112232237. The reversal of 111023112232201 is 102232211320111.

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 66097729262601 + 44925382969600 = 8130051^2 + 6702640^2 .

It is a cyclic number.

It is not a de Polignac number, because 111023112232201 - 2²⁵ = 111023078677769 is a prime.

It is a super-2 number, since 2×111023112232201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111023112238201) 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 3 ways as a sum of consecutive naturals, for example, 4270119701226 + ... + 4270119701251.

It is an arithmetic number, because the mean of its divisors is an integer number (29890837908673).

Almost surely, 2^{111023112232201} is an apocalyptic number.

It is an amenable number.

111023112232201 is a deficient number, since it is larger than the sum of its proper divisors (8540239402491).

111023112232201 is an equidigital number, since it uses as much as digits as its factorization.

111023112232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540239402490.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111023112232201 its reverse (102232211320111), we get a palindrome (213255323552312).

The spelling of 111023112232201 in words is "one hundred eleven trillion, twenty-three billion, one hundred twelve million, two hundred thirty-two thousand, two hundred one".