122121333233 has 6 divisors (see below), whose sum is σ = 124774945266. Its totient is φ = 119523004832.

The previous prime is 122121333181. The next prime is 122121333239. The reversal of 122121333233 is 332333121221.

It can be written as a sum of positive squares in only one way, i.e., 61560060769 + 60561272464 = 248113^2 + 246092^2 .

It is not a de Polignac number, because 122121333233 - 2¹² = 122121329137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122121333239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27639560 + ... + 27643977.

It is an arithmetic number, because the mean of its divisors is an integer number (20795824211).

Almost surely, 2^122121333233 is an apocalyptic number.

It is an amenable number.

122121333233 is a deficient number, since it is larger than the sum of its proper divisors (2653612033).

122121333233 is an frugal number, since it uses more digits than its factorization.

122121333233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55283631 (or 55283584 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 122121333233 its reverse (332333121221), we get a palindrome (454454454454).

The spelling of 122121333233 in words is "one hundred twenty-two billion, one hundred twenty-one million, three hundred thirty-three thousand, two hundred thirty-three".