121311122 has 8 divisors (see below), whose sum is σ = 187836672. Its totient is φ = 58698900.

The previous prime is 121311121. The next prime is 121311137. The reversal of 121311122 is 221113121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121311097 and 121311106.

It is not an unprimeable number, because it can be changed into a prime (121311121) 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, 978254 + ... + 978377.

It is an arithmetic number, because the mean of its divisors is an integer number (23479584).

Almost surely, 2^121311122 is an apocalyptic number.

121311122 is a deficient number, since it is larger than the sum of its proper divisors (66525550).

121311122 is a wasteful number, since it uses less digits than its factorization.

121311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956664.

The product of its digits is 24, while the sum is 14.

The square root of 121311122 is about 11014.1328301415. The cubic root of 121311122 is about 495.0323034389.

Adding to 121311122 its reverse (221113121), we get a palindrome (342424243).

The spelling of 121311122 in words is "one hundred twenty-one million, three hundred eleven thousand, one hundred twenty-two".