220000021102109 has 2 divisors, whose sum is σ = 220000021102110. Its totient is φ = 220000021102108.

The previous prime is 220000021102051. The next prime is 220000021102129. The reversal of 220000021102109 is 901201120000022.

It is a happy number.

It is an a-pointer prime, because the next prime (220000021102129) can be obtained adding 220000021102109 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219800639205625 + 199381896484 = 14825675^2 + 446522^2 .

It is a cyclic number.

It is not a de Polignac number, because 220000021102109 - 2¹⁶ = 220000021036573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220000021102129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000010551054 + 110000010551055.

It is an arithmetic number, because the mean of its divisors is an integer number (110000010551055).

Almost surely, 2^{220000021102109} is an apocalyptic number.

It is an amenable number.

220000021102109 is a deficient number, since it is larger than the sum of its proper divisors (1).

220000021102109 is an equidigital number, since it uses as much as digits as its factorization.

220000021102109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 220000021102109 in words is "two hundred twenty trillion, twenty-one million, one hundred two thousand, one hundred nine".