200222201025221 has 2 divisors, whose sum is σ = 200222201025222. Its totient is φ = 200222201025220.

The previous prime is 200222201025179. The next prime is 200222201025239. The reversal of 200222201025221 is 122520102222002.

200222201025221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155370865096225 + 44851335928996 = 12464785^2 + 6697114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200222201025221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200222201025281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100111100512610 + 100111100512611.

It is an arithmetic number, because the mean of its divisors is an integer number (100111100512611).

Almost surely, 2^{200222201025221} is an apocalyptic number.

It is an amenable number.

200222201025221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200222201025221 is an equidigital number, since it uses as much as digits as its factorization.

200222201025221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 200222201025221 its reverse (122520102222002), we get a palindrome (322742303247223).

The spelling of 200222201025221 in words is "two hundred trillion, two hundred twenty-two billion, two hundred one million, twenty-five thousand, two hundred twenty-one".