222120020000009 has 2 divisors, whose sum is σ = 222120020000010. Its totient is φ = 222120020000008.

The previous prime is 222120019999979. The next prime is 222120020000033. The reversal of 222120020000009 is 900000020021222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168985440313600 + 53134579686409 = 12999440^2 + 7289347^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120020000009 - 2²⁰ = 222120018951433 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120020000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060010000004 + 111060010000005.

It is an arithmetic number, because the mean of its divisors is an integer number (111060010000005).

Almost surely, 2^{222120020000009} is an apocalyptic number.

It is an amenable number.

222120020000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120020000009 is an equidigital number, since it uses as much as digits as its factorization.

222120020000009 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 20.

The spelling of 222120020000009 in words is "two hundred twenty-two trillion, one hundred twenty billion, twenty million, nine", and thus it is an aban number.