111210120850057 has 2 divisors, whose sum is σ = 111210120850058. Its totient is φ = 111210120850056.

The previous prime is 111210120850043. The next prime is 111210120850063. The reversal of 111210120850057 is 750058021012111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102264901237321 + 8945219612736 = 10112611^2 + 2990856^2 .

It is a cyclic number.

It is not a de Polignac number, because 111210120850057 - 2⁷ = 111210120849929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111210120850027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605060425028 + 55605060425029.

It is an arithmetic number, because the mean of its divisors is an integer number (55605060425029).

Almost surely, 2^{111210120850057} is an apocalyptic number.

It is an amenable number.

111210120850057 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210120850057 is an equidigital number, since it uses as much as digits as its factorization.

111210120850057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 34.

Adding to 111210120850057 its reverse (750058021012111), we get a palindrome (861268141862168).

The spelling of 111210120850057 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twenty million, eight hundred fifty thousand, fifty-seven".