111404442500401 has 2 divisors, whose sum is σ = 111404442500402. Its totient is φ = 111404442500400.

The previous prime is 111404442500347. The next prime is 111404442500411. The reversal of 111404442500401 is 104005244404111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110895537183025 + 508905317376 = 10530695^2 + 713376^2 .

It is a cyclic number.

It is not a de Polignac number, because 111404442500401 - 2¹⁷ = 111404442369329 is a prime.

It is a super-2 number, since 2×111404442500401² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111404442500411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702221250200 + 55702221250201.

It is an arithmetic number, because the mean of its divisors is an integer number (55702221250201).

Almost surely, 2^{111404442500401} is an apocalyptic number.

It is an amenable number.

111404442500401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111404442500401 is an equidigital number, since it uses as much as digits as its factorization.

111404442500401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 111404442500401 its reverse (104005244404111), we get a palindrome (215409686904512).

The spelling of 111404442500401 in words is "one hundred eleven trillion, four hundred four billion, four hundred forty-two million, five hundred thousand, four hundred one".