121331222 has 8 divisors (see below), whose sum is σ = 182950272. Its totient is φ = 60347800.

The previous prime is 121331213. The next prime is 121331239. The reversal of 121331222 is 222133121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121331222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158429 + ... + 159192.

It is an arithmetic number, because the mean of its divisors is an integer number (22868784).

Almost surely, 2^121331222 is an apocalyptic number.

121331222 is a deficient number, since it is larger than the sum of its proper divisors (61619050).

121331222 is a wasteful number, since it uses less digits than its factorization.

121331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317814.

The product of its digits is 144, while the sum is 17.

The square root of 121331222 is about 11015.0452563755. The cubic root of 121331222 is about 495.0596425090.

Adding to 121331222 its reverse (222133121), we get a palindrome (343464343).

The spelling of 121331222 in words is "one hundred twenty-one million, three hundred thirty-one thousand, two hundred twenty-two".