200022421002221 has 2 divisors, whose sum is σ = 200022421002222. Its totient is φ = 200022421002220.

The previous prime is 200022421002113. The next prime is 200022421002251. The reversal of 200022421002221 is 122200124220002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152715344418025 + 47307076584196 = 12357805^2 + 6878014^2 .

It is a cyclic number.

It is not a de Polignac number, because 200022421002221 - 2¹⁰ = 200022421001197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200022421002193 and 200022421002202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200022421002251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100011210501110 + 100011210501111.

It is an arithmetic number, because the mean of its divisors is an integer number (100011210501111).

Almost surely, 2^{200022421002221} is an apocalyptic number.

It is an amenable number.

200022421002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200022421002221 is an equidigital number, since it uses as much as digits as its factorization.

200022421002221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 200022421002221 its reverse (122200124220002), we get a palindrome (322222545222223).

The spelling of 200022421002221 in words is "two hundred trillion, twenty-two billion, four hundred twenty-one million, two thousand, two hundred twenty-one".