220222202211001 has 2 divisors, whose sum is σ = 220222202211002. Its totient is φ = 220222202211000.

The previous prime is 220222202210999. The next prime is 220222202211091. The reversal of 220222202211001 is 100112202222022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220222186813225 + 15397776 = 14839885^2 + 3924^2 .

It is a cyclic number.

It is not a de Polignac number, because 220222202211001 - 2¹ = 220222202210999 is a prime.

Together with 220222202210999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220222202211001.

It is not a weakly prime, because it can be changed into another prime (220222202211091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111101105500 + 110111101105501.

It is an arithmetic number, because the mean of its divisors is an integer number (110111101105501).

Almost surely, 2^{220222202211001} is an apocalyptic number.

It is an amenable number.

220222202211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220222202211001 is an equidigital number, since it uses as much as digits as its factorization.

220222202211001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220222202211001 its reverse (100112202222022), we get a palindrome (320334404433023).

The spelling of 220222202211001 in words is "two hundred twenty trillion, two hundred twenty-two billion, two hundred two million, two hundred eleven thousand, one".