2120210200057 has 2 divisors, whose sum is σ = 2120210200058. Its totient is φ = 2120210200056.

The previous prime is 2120210199983. The next prime is 2120210200081. The reversal of 2120210200057 is 7500020120212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093992575481 + 1026217624576 = 1045941^2 + 1013024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120210200057 - 2¹⁹ = 2120209675769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120210200457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105100028 + 1060105100029.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105100029).

Almost surely, 2^{2120210200057} is an apocalyptic number.

It is an amenable number.

2120210200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120210200057 is an equidigital number, since it uses as much as digits as its factorization.

2120210200057 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 22.

Adding to 2120210200057 its reverse (7500020120212), we get a palindrome (9620230320269).

The spelling of 2120210200057 in words is "two trillion, one hundred twenty billion, two hundred ten million, two hundred thousand, fifty-seven".