122231000121 has 8 divisors (see below), whose sum is σ = 162979842144. Its totient is φ = 81484745760.

The previous prime is 122231000113. The next prime is 122231000131. The reversal of 122231000121 is 121000132221.

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

It is not a de Polignac number, because 122231000121 - 2³ = 122231000113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122231000121.

It is not an unprimeable number, because it can be changed into a prime (122231000131) 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, 533875 + ... + 727656.

It is an arithmetic number, because the mean of its divisors is an integer number (20372480268).

Almost surely, 2^122231000121 is an apocalyptic number.

It is an amenable number.

122231000121 is a deficient number, since it is larger than the sum of its proper divisors (40748842023).

122231000121 is a wasteful number, since it uses less digits than its factorization.

122231000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293831.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122231000121 its reverse (121000132221), we get a palindrome (243231132342).

The spelling of 122231000121 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred twenty-one", and thus it is an aban number.