122222000121 has 8 divisors (see below), whose sum is σ = 175498256640. Its totient is φ = 75213538512.

The previous prime is 122222000111. The next prime is 122222000129. The reversal of 122222000121 is 121000222221.

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

It is not a de Polignac number, because 122222000121 - 2⁷ = 122221999993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122222000121.

It is not an unprimeable number, because it can be changed into a prime (122222000129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566948681 + ... + 1566948758.

It is an arithmetic number, because the mean of its divisors is an integer number (21937282080).

Almost surely, 2^122222000121 is an apocalyptic number.

It is an amenable number.

122222000121 is a deficient number, since it is larger than the sum of its proper divisors (53276256519).

122222000121 is a wasteful number, since it uses less digits than its factorization.

122222000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133897455.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122222000121 its reverse (121000222221), we get a palindrome (243222222342).

The spelling of 122222000121 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one", and thus it is an aban number.