122122321121 has 8 divisors (see below), whose sum is σ = 122843132160. Its totient is φ = 121403056752.

The previous prime is 122122321117. The next prime is 122122321141. The reversal of 122122321121 is 121123221221.

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 122122321121 - 2² = 122122321117 is a prime.

It is a super-2 number, since 2×122122321121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122122321093 and 122122321102.

It is not an unprimeable number, because it can be changed into a prime (122122321141) 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, 228095 + ... + 544308.

It is an arithmetic number, because the mean of its divisors is an integer number (15355391520).

Almost surely, 2^122122321121 is an apocalyptic number.

It is an amenable number.

122122321121 is a deficient number, since it is larger than the sum of its proper divisors (720811039).

122122321121 is an equidigital number, since it uses as much as digits as its factorization.

122122321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773335.

The product of its digits is 192, while the sum is 20.

Adding to 122122321121 its reverse (121123221221), we get a palindrome (243245542342).

The spelling of 122122321121 in words is "one hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred twenty-one".