111045425321 has 2 divisors, whose sum is σ = 111045425322. Its totient is φ = 111045425320.

The previous prime is 111045425243. The next prime is 111045425347. The reversal of 111045425321 is 123524540111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98181328921 + 12864096400 = 313339^2 + 113420^2 .

It is a cyclic number.

It is not a de Polignac number, because 111045425321 - 2¹⁰ = 111045424297 is a prime.

It is not a weakly prime, because it can be changed into another prime (111045425921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55522712660 + 55522712661.

It is an arithmetic number, because the mean of its divisors is an integer number (55522712661).

Almost surely, 2^111045425321 is an apocalyptic number.

It is an amenable number.

111045425321 is a deficient number, since it is larger than the sum of its proper divisors (1).

111045425321 is an equidigital number, since it uses as much as digits as its factorization.

111045425321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 111045425321 its reverse (123524540111), we get a palindrome (234569965432).

The spelling of 111045425321 in words is "one hundred eleven billion, forty-five million, four hundred twenty-five thousand, three hundred twenty-one".