22021102009 has 8 divisors (see below), whose sum is σ = 22641454080. Its totient is φ = 21404714400.

The previous prime is 22021102001. The next prime is 22021102039. The reversal of 22021102009 is 90020112022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021102009 - 2³ = 22021102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979849 + ... + 1002070.

It is an arithmetic number, because the mean of its divisors is an integer number (2830181760).

Almost surely, 2^22021102009 is an apocalyptic number.

It is an amenable number.

22021102009 is a deficient number, since it is larger than the sum of its proper divisors (620352071).

22021102009 is a wasteful number, since it uses less digits than its factorization.

22021102009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982231.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 22021102009 in words is "twenty-two billion, twenty-one million, one hundred two thousand, nine".