200110212020221 has 2 divisors, whose sum is σ = 200110212020222. Its totient is φ = 200110212020220.

The previous prime is 200110212020177. The next prime is 200110212020231. The reversal of 200110212020221 is 122020212011002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185327763428196 + 14782448592025 = 13613514^2 + 3844795^2 .

It is a cyclic number.

It is not a de Polignac number, because 200110212020221 - 2⁹ = 200110212019709 is a prime.

It is a super-2 number, since 2×200110212020221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200110212020195 and 200110212020204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200110212020231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055106010110 + 100055106010111.

It is an arithmetic number, because the mean of its divisors is an integer number (100055106010111).

Almost surely, 2^{200110212020221} is an apocalyptic number.

It is an amenable number.

200110212020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200110212020221 is an equidigital number, since it uses as much as digits as its factorization.

200110212020221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200110212020221 its reverse (122020212011002), we get a palindrome (322130424031223).

The spelling of 200110212020221 in words is "two hundred trillion, one hundred ten billion, two hundred twelve million, twenty thousand, two hundred twenty-one".