210213401030977 has 2 divisors, whose sum is σ = 210213401030978. Its totient is φ = 210213401030976.

The previous prime is 210213401030929. The next prime is 210213401031031. The reversal of 210213401030977 is 779030104312012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139595193831681 + 70618207199296 = 11815041^2 + 8403464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210213401030977 is a prime.

It is not a weakly prime, because it can be changed into another prime (210213401030177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106700515488 + 105106700515489.

It is an arithmetic number, because the mean of its divisors is an integer number (105106700515489).

Almost surely, 2^{210213401030977} is an apocalyptic number.

It is an amenable number.

210213401030977 is a deficient number, since it is larger than the sum of its proper divisors (1).

210213401030977 is an equidigital number, since it uses as much as digits as its factorization.

210213401030977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

Adding to 210213401030977 its reverse (779030104312012), we get a palindrome (989243505342989).

The spelling of 210213401030977 in words is "two hundred ten trillion, two hundred thirteen billion, four hundred one million, thirty thousand, nine hundred seventy-seven".