11210120057 has 2 divisors, whose sum is σ = 11210120058. Its totient is φ = 11210120056.

The previous prime is 11210120017. The next prime is 11210120113. The reversal of 11210120057 is 75002101211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7075501456 + 4134618601 = 84116^2 + 64301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210120057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11210120017) 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, 5605060028 + 5605060029.

It is an arithmetic number, because the mean of its divisors is an integer number (5605060029).

Almost surely, 2^11210120057 is an apocalyptic number.

It is an amenable number.

11210120057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210120057 is an equidigital number, since it uses as much as digits as its factorization.

11210120057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 11210120057 its reverse (75002101211), we get a palindrome (86212221268).

The spelling of 11210120057 in words is "eleven billion, two hundred ten million, one hundred twenty thousand, fifty-seven".