210213561101 has 2 divisors, whose sum is σ = 210213561102. Its totient is φ = 210213561100.

The previous prime is 210213561043. The next prime is 210213561119. The reversal of 210213561101 is 101165312012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190261716100 + 19951845001 = 436190^2 + 141251^2 .

It is a cyclic number.

It is not a de Polignac number, because 210213561101 - 2³⁰ = 209139819277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210213561401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106780550 + 105106780551.

It is an arithmetic number, because the mean of its divisors is an integer number (105106780551).

Almost surely, 2^210213561101 is an apocalyptic number.

It is an amenable number.

210213561101 is a deficient number, since it is larger than the sum of its proper divisors (1).

210213561101 is an equidigital number, since it uses as much as digits as its factorization.

210213561101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 210213561101 its reverse (101165312012), we get a palindrome (311378873113).

The spelling of 210213561101 in words is "two hundred ten billion, two hundred thirteen million, five hundred sixty-one thousand, one hundred one".