201210221201057 has 2 divisors, whose sum is σ = 201210221201058. Its totient is φ = 201210221201056.

The previous prime is 201210221200993. The next prime is 201210221201063. The reversal of 201210221201057 is 750102122012102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126327349327936 + 74882871873121 = 11239544^2 + 8653489^2 .

It is a cyclic number.

It is not a de Polignac number, because 201210221201057 - 2⁶ = 201210221200993 is a prime.

It is not a weakly prime, because it can be changed into another prime (201210221201257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605110600528 + 100605110600529.

It is an arithmetic number, because the mean of its divisors is an integer number (100605110600529).

Almost surely, 2^{201210221201057} is an apocalyptic number.

It is an amenable number.

201210221201057 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210221201057 is an equidigital number, since it uses as much as digits as its factorization.

201210221201057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 201210221201057 its reverse (750102122012102), we get a palindrome (951312343213159).

The spelling of 201210221201057 in words is "two hundred one trillion, two hundred ten billion, two hundred twenty-one million, two hundred one thousand, fifty-seven".