111331112441 has 2 divisors, whose sum is σ = 111331112442. Its totient is φ = 111331112440.

The previous prime is 111331112411. The next prime is 111331112449. The reversal of 111331112441 is 144211133111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92677016041 + 18654096400 = 304429^2 + 136580^2 .

It is a cyclic number.

It is not a de Polignac number, because 111331112441 - 2¹⁴ = 111331096057 is a prime.

It is not a weakly prime, because it can be changed into another prime (111331112449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665556220 + 55665556221.

It is an arithmetic number, because the mean of its divisors is an integer number (55665556221).

Almost surely, 2^111331112441 is an apocalyptic number.

It is an amenable number.

111331112441 is a deficient number, since it is larger than the sum of its proper divisors (1).

111331112441 is an equidigital number, since it uses as much as digits as its factorization.

111331112441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

Adding to 111331112441 its reverse (144211133111), we get a palindrome (255542245552).

The spelling of 111331112441 in words is "one hundred eleven billion, three hundred thirty-one million, one hundred twelve thousand, four hundred forty-one".