22001120002009 has 2 divisors, whose sum is σ = 22001120002010. Its totient is φ = 22001120002008.

The previous prime is 22001120001979. The next prime is 22001120002013. The reversal of 22001120002009 is 90020002110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21889269888409 + 111850113600 = 4678597^2 + 334440^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001120002009 - 2¹³ = 22001119993817 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001120002049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000560001004 + 11000560001005.

It is an arithmetic number, because the mean of its divisors is an integer number (11000560001005).

Almost surely, 2^{22001120002009} is an apocalyptic number.

It is an amenable number.

22001120002009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001120002009 is an equidigital number, since it uses as much as digits as its factorization.

22001120002009 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 19.

The spelling of 22001120002009 in words is "twenty-two trillion, one billion, one hundred twenty million, two thousand, nine".