133222123121 has 8 divisors (see below), whose sum is σ = 133547032320. Its totient is φ = 132897375072.

The previous prime is 133222123093. The next prime is 133222123159. The reversal of 133222123121 is 121321222331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133222123121 is a prime.

It is a super-3 number, since 3×133222123121³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133222123621) 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, 1706876 + ... + 1783218.

It is an arithmetic number, because the mean of its divisors is an integer number (16693379040).

Almost surely, 2^133222123121 is an apocalyptic number.

It is an amenable number.

133222123121 is a deficient number, since it is larger than the sum of its proper divisors (324909199).

133222123121 is an equidigital number, since it uses as much as digits as its factorization.

133222123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80575.

The product of its digits is 864, while the sum is 23.

Adding to 133222123121 its reverse (121321222331), we get a palindrome (254543345452).

The spelling of 133222123121 in words is "one hundred thirty-three billion, two hundred twenty-two million, one hundred twenty-three thousand, one hundred twenty-one".