202102010222209 has 2 divisors, whose sum is σ = 202102010222210. Its totient is φ = 202102010222208.

The previous prime is 202102010222171. The next prime is 202102010222219. The reversal of 202102010222209 is 902222010201202.

202102010222209 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., 153097068097600 + 49004942124609 = 12373240^2 + 7000353^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102010222209 - 2¹⁵ = 202102010189441 is a prime.

It is a super-2 number, since 2×202102010222209² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202102010222219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051005111104 + 101051005111105.

It is an arithmetic number, because the mean of its divisors is an integer number (101051005111105).

Almost surely, 2^{202102010222209} is an apocalyptic number.

It is an amenable number.

202102010222209 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102010222209 is an equidigital number, since it uses as much as digits as its factorization.

202102010222209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 202102010222209 in words is "two hundred two trillion, one hundred two billion, ten million, two hundred twenty-two thousand, two hundred nine".