111152221567 has 2 divisors, whose sum is σ = 111152221568. Its totient is φ = 111152221566.

The previous prime is 111152221519. The next prime is 111152221577. The reversal of 111152221567 is 765122251111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111152221567 - 2²⁷ = 111018003839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111152221517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55576110783 + 55576110784.

It is an arithmetic number, because the mean of its divisors is an integer number (55576110784).

Almost surely, 2^111152221567 is an apocalyptic number.

111152221567 is a deficient number, since it is larger than the sum of its proper divisors (1).

111152221567 is an equidigital number, since it uses as much as digits as its factorization.

111152221567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 34.

Adding to 111152221567 its reverse (765122251111), we get a palindrome (876274472678).

The spelling of 111152221567 in words is "one hundred eleven billion, one hundred fifty-two million, two hundred twenty-one thousand, five hundred sixty-seven".