111320331011 has 2 divisors, whose sum is σ = 111320331012. Its totient is φ = 111320331010.

The previous prime is 111320330951. The next prime is 111320331043. The reversal of 111320331011 is 110133023111.

It is a strong prime.

It is an emirp because it is prime and its reverse (110133023111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111320331011 is a prime.

It is not a weakly prime, because it can be changed into another prime (111320331061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660165505 + 55660165506.

It is an arithmetic number, because the mean of its divisors is an integer number (55660165506).

Almost surely, 2^111320331011 is an apocalyptic number.

111320331011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320331011 is an equidigital number, since it uses as much as digits as its factorization.

111320331011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111320331011 its reverse (110133023111), we get a palindrome (221453354122).

The spelling of 111320331011 in words is "one hundred eleven billion, three hundred twenty million, three hundred thirty-one thousand, eleven".