22100010201209 has 2 divisors, whose sum is σ = 22100010201210. Its totient is φ = 22100010201208.

The previous prime is 22100010201197. The next prime is 22100010201233. The reversal of 22100010201209 is 90210201000122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11724782677609 + 10375227523600 = 3424147^2 + 3221060^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100010201209 - 2⁴ = 22100010201193 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100010261209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050005100604 + 11050005100605.

It is an arithmetic number, because the mean of its divisors is an integer number (11050005100605).

Almost surely, 2^{22100010201209} is an apocalyptic number.

It is an amenable number.

22100010201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100010201209 is an equidigital number, since it uses as much as digits as its factorization.

22100010201209 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 22100010201209 in words is "twenty-two trillion, one hundred billion, ten million, two hundred one thousand, two hundred nine".