201220202371 has 2 divisors, whose sum is σ = 201220202372. Its totient is φ = 201220202370.

The previous prime is 201220202357. The next prime is 201220202377. The reversal of 201220202371 is 173202022102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201220202371 - 2⁹ = 201220201859 is a prime.

It is not a weakly prime, because it can be changed into another prime (201220202377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610101185 + 100610101186.

It is an arithmetic number, because the mean of its divisors is an integer number (100610101186).

Almost surely, 2^201220202371 is an apocalyptic number.

201220202371 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220202371 is an equidigital number, since it uses as much as digits as its factorization.

201220202371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 201220202371 its reverse (173202022102), we get a palindrome (374422224473).

The spelling of 201220202371 in words is "two hundred one billion, two hundred twenty million, two hundred two thousand, three hundred seventy-one".