111120101130457 has 2 divisors, whose sum is σ = 111120101130458. Its totient is φ = 111120101130456.

The previous prime is 111120101130349. The next prime is 111120101130487. The reversal of 111120101130457 is 754031101021111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61968840576841 + 49151260553616 = 7872029^2 + 7010796^2 .

It is a cyclic number.

It is not a de Polignac number, because 111120101130457 - 2¹⁵ = 111120101097689 is a prime.

It is not a weakly prime, because it can be changed into another prime (111120101130487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560050565228 + 55560050565229.

It is an arithmetic number, because the mean of its divisors is an integer number (55560050565229).

Almost surely, 2^{111120101130457} is an apocalyptic number.

It is an amenable number.

111120101130457 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120101130457 is an equidigital number, since it uses as much as digits as its factorization.

111120101130457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 28.

Adding to 111120101130457 its reverse (754031101021111), we get a palindrome (865151202151568).

The spelling of 111120101130457 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred one million, one hundred thirty thousand, four hundred fifty-seven".