121122122 has 8 divisors (see below), whose sum is σ = 198199872. Its totient is φ = 55055500.

The previous prime is 121122107. The next prime is 121122139. The reversal of 121122122 is 221221121.

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

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 = 121122097 and 121122106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752754 + ... + 2752797.

It is an arithmetic number, because the mean of its divisors is an integer number (24774984).

Almost surely, 2^121122122 is an apocalyptic number.

121122122 is a deficient number, since it is larger than the sum of its proper divisors (77077750).

121122122 is a wasteful number, since it uses less digits than its factorization.

121122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505564.

The product of its digits is 32, while the sum is 14.

The square root of 121122122 is about 11005.5496000881. The cubic root of 121122122 is about 494.7750867479.

Adding to 121122122 its reverse (221221121), we get a palindrome (342343243).

The spelling of 121122122 in words is "one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".