1222100220109 has 2 divisors, whose sum is σ = 1222100220110. Its totient is φ = 1222100220108.

The previous prime is 1222100220073. The next prime is 1222100220113. The reversal of 1222100220109 is 9010220012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 971703062500 + 250397157609 = 985750^2 + 500397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222100220109 - 2¹⁷ = 1222100089037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222100220109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222100220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050110054 + 611050110055.

It is an arithmetic number, because the mean of its divisors is an integer number (611050110055).

Almost surely, 2^{1222100220109} is an apocalyptic number.

It is an amenable number.

1222100220109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222100220109 is an equidigital number, since it uses as much as digits as its factorization.

1222100220109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1222100220109 in words is "one trillion, two hundred twenty-two billion, one hundred million, two hundred twenty thousand, one hundred nine".