10221200120057 has 2 divisors, whose sum is σ = 10221200120058. Its totient is φ = 10221200120056.

The previous prime is 10221200119997. The next prime is 10221200120063. The reversal of 10221200120057 is 75002100212201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6281058489616 + 3940141630441 = 2506204^2 + 1984979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221200120057 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221200125057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110600060028 + 5110600060029.

It is an arithmetic number, because the mean of its divisors is an integer number (5110600060029).

Almost surely, 2^{10221200120057} is an apocalyptic number.

It is an amenable number.

10221200120057 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221200120057 is an equidigital number, since it uses as much as digits as its factorization.

10221200120057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 10221200120057 its reverse (75002100212201), we get a palindrome (85223300332258).

The spelling of 10221200120057 in words is "ten trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, fifty-seven".