121331322 has 48 divisors (see below), whose sum is σ = 303388800. Its totient is φ = 34325856.

The previous prime is 121331269. The next prime is 121331333. The reversal of 121331322 is 223133121.

121331322 is a `hidden beast` number, since 12 + 1 + 331 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121331295 and 121331304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8304 + ... + 17652.

It is an arithmetic number, because the mean of its divisors is an integer number (6320600).

Almost surely, 2^121331322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121331322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151694400).

121331322 is an abundant number, since it is smaller than the sum of its proper divisors (182057478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121331322 is a wasteful number, since it uses less digits than its factorization.

121331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9467 (or 9464 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 121331322 is about 11015.0497956205. The cubic root of 121331322 is about 495.0597785167.

Adding to 121331322 its reverse (223133121), we get a palindrome (344464443).

The spelling of 121331322 in words is "one hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-two".