202022211002221 has 2 divisors, whose sum is σ = 202022211002222. Its totient is φ = 202022211002220.

The previous prime is 202022211002201. The next prime is 202022211002281. The reversal of 202022211002221 is 122200112220202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201047982781321 + 974228220900 = 14179139^2 + 987030^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022211002221 - 2³⁵ = 201987851263853 is a prime.

It is a super-2 number, since 2×202022211002221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202022211002201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101011105501110 + 101011105501111.

It is an arithmetic number, because the mean of its divisors is an integer number (101011105501111).

Almost surely, 2^{202022211002221} is an apocalyptic number.

It is an amenable number.

202022211002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

202022211002221 is an equidigital number, since it uses as much as digits as its factorization.

202022211002221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202022211002221 its reverse (122200112220202), we get a palindrome (324222323222423).

The spelling of 202022211002221 in words is "two hundred two trillion, twenty-two billion, two hundred eleven million, two thousand, two hundred twenty-one".