121333231222 has 16 divisors (see below), whose sum is σ = 218947184640. Its totient is φ = 49263116328.

The previous prime is 121333231211. The next prime is 121333231247. The reversal of 121333231222 is 222132333121.

It is a super-2 number, since 2×121333231222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228069718 + ... + 228070249.

It is an arithmetic number, because the mean of its divisors is an integer number (13684199040).

Almost surely, 2^121333231222 is an apocalyptic number.

121333231222 is a deficient number, since it is larger than the sum of its proper divisors (97613953418).

121333231222 is a wasteful number, since it uses less digits than its factorization.

121333231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456139995.

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

Adding to 121333231222 its reverse (222132333121), we get a palindrome (343465564343).

The spelling of 121333231222 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty-two".