122221001009 has 8 divisors (see below), whose sum is σ = 122851336608. Its totient is φ = 121591804000.

The previous prime is 122221000973. The next prime is 122221001093. The reversal of 122221001009 is 900100122221.

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 122221001009 - 2⁸ = 122221000753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221001099) 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, 68987 + ... + 499200.

It is an arithmetic number, because the mean of its divisors is an integer number (15356417076).

Almost surely, 2^122221001009 is an apocalyptic number.

It is an amenable number.

122221001009 is a deficient number, since it is larger than the sum of its proper divisors (630335599).

122221001009 is an equidigital number, since it uses as much as digits as its factorization.

122221001009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569295.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 122221001009 in words is "one hundred twenty-two billion, two hundred twenty-one million, one thousand, nine".