122120000221 has 8 divisors (see below), whose sum is σ = 127839314304. Its totient is φ = 116434831920.

The previous prime is 122120000209. The next prime is 122120000251. The reversal of 122120000221 is 122000021221.

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 122120000221 - 2²⁷ = 121985782493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120000201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8529126 + ... + 8543431.

It is an arithmetic number, because the mean of its divisors is an integer number (15979914288).

Almost surely, 2^122120000221 is an apocalyptic number.

It is an amenable number.

122120000221 is a deficient number, since it is larger than the sum of its proper divisors (5719314083).

122120000221 is a wasteful number, since it uses less digits than its factorization.

122120000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17072891.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122120000221 its reverse (122000021221), we get a palindrome (244120021442).

The spelling of 122120000221 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred twenty-one", and thus it is an aban number.