210222021071 has 2 divisors, whose sum is σ = 210222021072. Its totient is φ = 210222021070.

The previous prime is 210222021067. The next prime is 210222021083. The reversal of 210222021071 is 170120222012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210222021071 - 2² = 210222021067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210222023071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111010535 + 105111010536.

It is an arithmetic number, because the mean of its divisors is an integer number (105111010536).

Almost surely, 2^210222021071 is an apocalyptic number.

210222021071 is a deficient number, since it is larger than the sum of its proper divisors (1).

210222021071 is an equidigital number, since it uses as much as digits as its factorization.

210222021071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 210222021071 its reverse (170120222012), we get a palindrome (380342243083).

The spelling of 210222021071 in words is "two hundred ten billion, two hundred twenty-two million, twenty-one thousand, seventy-one".