210222221071 has 2 divisors, whose sum is σ = 210222221072. Its totient is φ = 210222221070.

The previous prime is 210222220997. The next prime is 210222221081. The reversal of 210222221071 is 170122222012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210222221071 - 2¹⁷ = 210222089999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210222221081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111110535 + 105111110536.

It is an arithmetic number, because the mean of its divisors is an integer number (105111110536).

Almost surely, 2^210222221071 is an apocalyptic number.

210222221071 is a deficient number, since it is larger than the sum of its proper divisors (1).

210222221071 is an equidigital number, since it uses as much as digits as its factorization.

210222221071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 210222221071 its reverse (170122222012), we get a palindrome (380344443083).

The spelling of 210222221071 in words is "two hundred ten billion, two hundred twenty-two million, two hundred twenty-one thousand, seventy-one".