121122224 has 20 divisors (see below), whose sum is σ = 235229736. Its totient is φ = 60417792.

The previous prime is 121122193. The next prime is 121122269. The reversal of 121122224 is 422221121.

It is a nude number because it is divisible by every one of its digits.

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, 1814 + ... + 15669.

Almost surely, 2^121122224 is an apocalyptic number.

It is an amenable number.

121122224 is a deficient number, since it is larger than the sum of its proper divisors (114107512).

121122224 is a wasteful number, since it uses less digits than its factorization.

121122224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17918 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 121122224 is about 11005.5542341129. The cubic root of 121122224 is about 494.7752256354.

Adding to 121122224 its reverse (422221121), we get a palindrome (543343345).

The spelling of 121122224 in words is "one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-four".