22010102121209 has 2 divisors, whose sum is σ = 22010102121210. Its totient is φ = 22010102121208.

The previous prime is 22010102121197. The next prime is 22010102121317. The reversal of 22010102121209 is 90212120101022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20664843139600 + 1345258981609 = 4545860^2 + 1159853^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010102121209 - 2²⁸ = 22009833685753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22010105121209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005051060604 + 11005051060605.

It is an arithmetic number, because the mean of its divisors is an integer number (11005051060605).

Almost surely, 2^{22010102121209} is an apocalyptic number.

It is an amenable number.

22010102121209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010102121209 is an equidigital number, since it uses as much as digits as its factorization.

22010102121209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 22010102121209 in words is "twenty-two trillion, ten billion, one hundred two million, one hundred twenty-one thousand, two hundred nine".