121331122 has 16 divisors (see below), whose sum is σ = 203160672. Its totient is φ = 53867520.

The previous prime is 121331113. The next prime is 121331153. The reversal of 121331122 is 221133121.

It is a junction number, because it is equal to n+sod(n) for n = 121331096 and 121331105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63183 + ... + 65074.

It is an arithmetic number, because the mean of its divisors is an integer number (12697542).

Almost surely, 2^121331122 is an apocalyptic number.

121331122 is a deficient number, since it is larger than the sum of its proper divisors (81829550).

121331122 is a wasteful number, since it uses less digits than its factorization.

121331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128313.

The product of its digits is 72, while the sum is 16.

The square root of 121331122 is about 11015.0407171286. The cubic root of 121331122 is about 495.0595065012.

Adding to 121331122 its reverse (221133121), we get a palindrome (342464243).

The spelling of 121331122 in words is "one hundred twenty-one million, three hundred thirty-one thousand, one hundred twenty-two".