112121121010057 has 2 divisors, whose sum is σ = 112121121010058. Its totient is φ = 112121121010056.

The previous prime is 112121121009959. The next prime is 112121121010099. The reversal of 112121121010057 is 750010121121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100502710210816 + 11618410799241 = 10025104^2 + 3408579^2 .

It is an emirp because it is prime and its reverse (750010121121211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112121121010057 is a prime.

It is a super-2 number, since 2×112121121010057² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112121121011057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060560505028 + 56060560505029.

It is an arithmetic number, because the mean of its divisors is an integer number (56060560505029).

Almost surely, 2^{112121121010057} is an apocalyptic number.

It is an amenable number.

112121121010057 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121121010057 is an equidigital number, since it uses as much as digits as its factorization.

112121121010057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 25.

Adding to 112121121010057 its reverse (750010121121211), we get a palindrome (862131242131268).

The spelling of 112121121010057 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, ten thousand, fifty-seven".