111120122147 has 2 divisors, whose sum is σ = 111120122148. Its totient is φ = 111120122146.

The previous prime is 111120122089. The next prime is 111120122161. The reversal of 111120122147 is 741221021111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111120122147 - 2³² = 106825154851 is a prime.

It is not a weakly prime, because it can be changed into another prime (111120322147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560061073 + 55560061074.

It is an arithmetic number, because the mean of its divisors is an integer number (55560061074).

Almost surely, 2^111120122147 is an apocalyptic number.

111120122147 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120122147 is an equidigital number, since it uses as much as digits as its factorization.

111120122147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 111120122147 its reverse (741221021111), we get a palindrome (852341143258).

The spelling of 111120122147 in words is "one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, one hundred forty-seven".