220201222271 has 2 divisors, whose sum is σ = 220201222272. Its totient is φ = 220201222270.

The previous prime is 220201222259. The next prime is 220201222321. The reversal of 220201222271 is 172222102022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220201222271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201221271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100611135 + 110100611136.

It is an arithmetic number, because the mean of its divisors is an integer number (110100611136).

Almost surely, 2^220201222271 is an apocalyptic number.

220201222271 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201222271 is an equidigital number, since it uses as much as digits as its factorization.

220201222271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 220201222271 its reverse (172222102022), we get a palindrome (392423324293).

The spelling of 220201222271 in words is "two hundred twenty billion, two hundred one million, two hundred twenty-two thousand, two hundred seventy-one".