111421104583 has 2 divisors, whose sum is σ = 111421104584. Its totient is φ = 111421104582.

The previous prime is 111421104517. The next prime is 111421104589. The reversal of 111421104583 is 385401124111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111421104583 - 2²⁵ = 111387550151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111421104589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55710552291 + 55710552292.

It is an arithmetic number, because the mean of its divisors is an integer number (55710552292).

Almost surely, 2^111421104583 is an apocalyptic number.

111421104583 is a deficient number, since it is larger than the sum of its proper divisors (1).

111421104583 is an equidigital number, since it uses as much as digits as its factorization.

111421104583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

Adding to 111421104583 its reverse (385401124111), we get a palindrome (496822228694).

The spelling of 111421104583 in words is "one hundred eleven billion, four hundred twenty-one million, one hundred four thousand, five hundred eighty-three".