22001100121009 has 8 divisors (see below), whose sum is σ = 22374543913920. Its totient is φ = 21627674454576.

The previous prime is 22001100120991. The next prime is 22001100121043. The reversal of 22001100121009 is 90012100110022.

It is a happy number.

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 22001100121009 - 2⁵ = 22001100120977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001100121409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072277 + ... + 6949570.

It is an arithmetic number, because the mean of its divisors is an integer number (2796817989240).

Almost surely, 2^{22001100121009} is an apocalyptic number.

It is an amenable number.

22001100121009 is a deficient number, since it is larger than the sum of its proper divisors (373443792911).

22001100121009 is an equidigital number, since it uses as much as digits as its factorization.

22001100121009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063239.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 22001100121009 in words is "twenty-two trillion, one billion, one hundred million, one hundred twenty-one thousand, nine".