202101010222217 has 2 divisors, whose sum is σ = 202101010222218. Its totient is φ = 202101010222216.

The previous prime is 202101010222193. The next prime is 202101010222229. The reversal of 202101010222217 is 712222010101202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201716431641481 + 384578580736 = 14202691^2 + 620144^2 .

It is a cyclic number.

It is not a de Polignac number, because 202101010222217 - 2⁸ = 202101010221961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202101010222192 and 202101010222201.

It is not a weakly prime, because it can be changed into another prime (202101010221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050505111108 + 101050505111109.

It is an arithmetic number, because the mean of its divisors is an integer number (101050505111109).

Almost surely, 2^{202101010222217} is an apocalyptic number.

It is an amenable number.

202101010222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101010222217 is an equidigital number, since it uses as much as digits as its factorization.

202101010222217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 202101010222217 its reverse (712222010101202), we get a palindrome (914323020323419).

The spelling of 202101010222217 in words is "two hundred two trillion, one hundred one billion, ten million, two hundred twenty-two thousand, two hundred seventeen".