12200221109 has 2 divisors, whose sum is σ = 12200221110. Its totient is φ = 12200221108.

The previous prime is 12200221069. The next prime is 12200221127. The reversal of 12200221109 is 90112200221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8539608100 + 3660613009 = 92410^2 + 60503^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200221109 - 2¹⁶ = 12200155573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200221199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100110554 + 6100110555.

It is an arithmetic number, because the mean of its divisors is an integer number (6100110555).

Almost surely, 2^12200221109 is an apocalyptic number.

It is an amenable number.

12200221109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200221109 is an equidigital number, since it uses as much as digits as its factorization.

12200221109 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12200221109 in words is "twelve billion, two hundred million, two hundred twenty-one thousand, one hundred nine".