111142402522127 has 2 divisors, whose sum is σ = 111142402522128. Its totient is φ = 111142402522126.

The previous prime is 111142402522043. The next prime is 111142402522181. The reversal of 111142402522127 is 721225204241111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111142402522127 - 2¹⁰ = 111142402521103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111142402522187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55571201261063 + 55571201261064.

It is an arithmetic number, because the mean of its divisors is an integer number (55571201261064).

Almost surely, 2^{111142402522127} is an apocalyptic number.

111142402522127 is a deficient number, since it is larger than the sum of its proper divisors (1).

111142402522127 is an equidigital number, since it uses as much as digits as its factorization.

111142402522127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 35.

Adding to 111142402522127 its reverse (721225204241111), we get a palindrome (832367606763238).

The spelling of 111142402522127 in words is "one hundred eleven trillion, one hundred forty-two billion, four hundred two million, five hundred twenty-two thousand, one hundred twenty-seven".