111440331011 has 2 divisors, whose sum is σ = 111440331012. Its totient is φ = 111440331010.

The previous prime is 111440330993. The next prime is 111440331061. The reversal of 111440331011 is 110133044111.

It is a weak prime.

It is an emirp because it is prime and its reverse (110133044111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111440331011 - 2¹⁴ = 111440314627 is a prime.

It is not a weakly prime, because it can be changed into another prime (111440331061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55720165505 + 55720165506.

It is an arithmetic number, because the mean of its divisors is an integer number (55720165506).

Almost surely, 2^111440331011 is an apocalyptic number.

111440331011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111440331011 is an equidigital number, since it uses as much as digits as its factorization.

111440331011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111440331011 its reverse (110133044111), we get a palindrome (221573375122).

The spelling of 111440331011 in words is "one hundred eleven billion, four hundred forty million, three hundred thirty-one thousand, eleven".