210204220841 has 2 divisors, whose sum is σ = 210204220842. Its totient is φ = 210204220840.

The previous prime is 210204220711. The next prime is 210204220847. The reversal of 210204220841 is 148022402012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208232505625 + 1971715216 = 456325^2 + 44404^2 .

It is a cyclic number.

It is not a de Polignac number, because 210204220841 - 2²² = 210200026537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210204220841.

It is not a weakly prime, because it can be changed into another prime (210204220847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105102110420 + 105102110421.

It is an arithmetic number, because the mean of its divisors is an integer number (105102110421).

Almost surely, 2^210204220841 is an apocalyptic number.

It is an amenable number.

210204220841 is a deficient number, since it is larger than the sum of its proper divisors (1).

210204220841 is an equidigital number, since it uses as much as digits as its factorization.

210204220841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 210204220841 its reverse (148022402012), we get a palindrome (358226622853).

The spelling of 210204220841 in words is "two hundred ten billion, two hundred four million, two hundred twenty thousand, eight hundred forty-one".