220022211122201 has 4 divisors (see below), whose sum is σ = 220022464094004. Its totient is φ = 220021958150400.

The previous prime is 220022211122177. The next prime is 220022211122209. The reversal of 220022211122201 is 102221112220022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99024411112201 + 120997800010000 = 9951101^2 + 10999900^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022211122201 - 2⁶ = 220022211122137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220022211122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125176760 + ... + 126922281.

It is an arithmetic number, because the mean of its divisors is an integer number (55005616023501).

Almost surely, 2^{220022211122201} is an apocalyptic number.

It is an amenable number.

220022211122201 is a deficient number, since it is larger than the sum of its proper divisors (252971803).

220022211122201 is an equidigital number, since it uses as much as digits as its factorization.

220022211122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252971802.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220022211122201 its reverse (102221112220022), we get a palindrome (322243323342223).

The spelling of 220022211122201 in words is "two hundred twenty trillion, twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred one".