202220021071 has 2 divisors, whose sum is σ = 202220021072. Its totient is φ = 202220021070.

The previous prime is 202220021063. The next prime is 202220021147. The reversal of 202220021071 is 170120022202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202220021071 - 2³ = 202220021063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202220021011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110010535 + 101110010536.

It is an arithmetic number, because the mean of its divisors is an integer number (101110010536).

Almost surely, 2^202220021071 is an apocalyptic number.

202220021071 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220021071 is an equidigital number, since it uses as much as digits as its factorization.

202220021071 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 19.

Adding to 202220021071 its reverse (170120022202), we get a palindrome (372340043273).

The spelling of 202220021071 in words is "two hundred two billion, two hundred twenty million, twenty-one thousand, seventy-one".