111020928313 has 2 divisors, whose sum is σ = 111020928314. Its totient is φ = 111020928312.

The previous prime is 111020928253. The next prime is 111020928371. The reversal of 111020928313 is 313829020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56371580329 + 54649347984 = 237427^2 + 233772^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020928313 - 2¹⁷ = 111020797241 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020928013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510464156 + 55510464157.

It is an arithmetic number, because the mean of its divisors is an integer number (55510464157).

Almost surely, 2^111020928313 is an apocalyptic number.

It is an amenable number.

111020928313 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020928313 is an equidigital number, since it uses as much as digits as its factorization.

111020928313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

Adding to 111020928313 its reverse (313829020111), we get a palindrome (424849948424).

The spelling of 111020928313 in words is "one hundred eleven billion, twenty million, nine hundred twenty-eight thousand, three hundred thirteen".