220022212121903 has 2 divisors, whose sum is σ = 220022212121904. Its totient is φ = 220022212121902.

The previous prime is 220022212121897. The next prime is 220022212121923. The reversal of 220022212121903 is 309121212220022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220022212121903 - 2³⁶ = 219953492645167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220022212121923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011106060951 + 110011106060952.

It is an arithmetic number, because the mean of its divisors is an integer number (110011106060952).

Almost surely, 2^{220022212121903} is an apocalyptic number.

220022212121903 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022212121903 is an equidigital number, since it uses as much as digits as its factorization.

220022212121903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 220022212121903 its reverse (309121212220022), we get a palindrome (529143424341925).

The spelling of 220022212121903 in words is "two hundred twenty trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, nine hundred three".