111223403201 has 2 divisors, whose sum is σ = 111223403202. Its totient is φ = 111223403200.

The previous prime is 111223403183. The next prime is 111223403209. The reversal of 111223403201 is 102304322111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79681998400 + 31541404801 = 282280^2 + 177599^2 .

It is an emirp because it is prime and its reverse (102304322111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111223403201 - 2³⁴ = 94043534017 is a prime.

It is a super-2 number, since 2×111223403201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111223403209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611701600 + 55611701601.

It is an arithmetic number, because the mean of its divisors is an integer number (55611701601).

Almost surely, 2^111223403201 is an apocalyptic number.

It is an amenable number.

111223403201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223403201 is an equidigital number, since it uses as much as digits as its factorization.

111223403201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111223403201 its reverse (102304322111), we get a palindrome (213527725312).

The spelling of 111223403201 in words is "one hundred eleven billion, two hundred twenty-three million, four hundred three thousand, two hundred one".