121332222331 has 4 divisors (see below), whose sum is σ = 121335252064. Its totient is φ = 121329192600.

The previous prime is 121332222329. The next prime is 121332222337. The reversal of 121332222331 is 133222233121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121332222331 - 2¹ = 121332222329 is a prime.

It is a super-2 number, since 2×121332222331² (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 = 121332222296 and 121332222305.

It is not an unprimeable number, because it can be changed into a prime (121332222337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453980 + ... + 1535161.

It is an arithmetic number, because the mean of its divisors is an integer number (30333813016).

Almost surely, 2^121332222331 is an apocalyptic number.

121332222331 is a deficient number, since it is larger than the sum of its proper divisors (3029733).

121332222331 is an equidigital number, since it uses as much as digits as its factorization.

121332222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029732.

The product of its digits is 2592, while the sum is 25.

Adding to 121332222331 its reverse (133222233121), we get a palindrome (254554455452).

The spelling of 121332222331 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred twenty-two thousand, three hundred thirty-one".