111321383 has 2 divisors, whose sum is σ = 111321384. Its totient is φ = 111321382.

The previous prime is 111321319. The next prime is 111321391. The reversal of 111321383 is 383123111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111321383 - 2⁶ = 111321319 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111321283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660691 + 55660692.

It is an arithmetic number, because the mean of its divisors is an integer number (55660692).

Almost surely, 2^111321383 is an apocalyptic number.

111321383 is a deficient number, since it is larger than the sum of its proper divisors (1).

111321383 is an equidigital number, since it uses as much as digits as its factorization.

111321383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 111321383 is about 10550.8948909559. The cubic root of 111321383 is about 481.0529302074.

Adding to 111321383 its reverse (383123111), we get a palindrome (494444494).

The spelling of 111321383 in words is "one hundred eleven million, three hundred twenty-one thousand, three hundred eighty-three".