210211220110057 has 2 divisors, whose sum is σ = 210211220110058. Its totient is φ = 210211220110056.

The previous prime is 210211220110037. The next prime is 210211220110121. The reversal of 210211220110057 is 750011022112012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165062778600976 + 45148441509081 = 12847676^2 + 6719259^2 .

It is a cyclic number.

It is not a de Polignac number, because 210211220110057 - 2¹¹ = 210211220108009 is a prime.

It is not a weakly prime, because it can be changed into another prime (210211220110037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105610055028 + 105105610055029.

It is an arithmetic number, because the mean of its divisors is an integer number (105105610055029).

Almost surely, 2^{210211220110057} is an apocalyptic number.

It is an amenable number.

210211220110057 is a deficient number, since it is larger than the sum of its proper divisors (1).

210211220110057 is an equidigital number, since it uses as much as digits as its factorization.

210211220110057 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 25.

Adding to 210211220110057 its reverse (750011022112012), we get a palindrome (960222242222069).

The spelling of 210211220110057 in words is "two hundred ten trillion, two hundred eleven billion, two hundred twenty million, one hundred ten thousand, fifty-seven".