121222208 has 28 divisors (see below), whose sum is σ = 240913920. Its totient is φ = 60519552.

The previous prime is 121222193. The next prime is 121222237. The reversal of 121222208 is 802222121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121222208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65585 + ... + 67407.

Almost surely, 2^121222208 is an apocalyptic number.

It is an amenable number.

121222208 is a deficient number, since it is larger than the sum of its proper divisors (119691712).

121222208 is a wasteful number, since it uses less digits than its factorization.

121222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 121222208 is about 11010.0957307373. The cubic root of 121222208 is about 494.9113305788.

Adding to 121222208 its reverse (802222121), we get a palindrome (923444329).

The spelling of 121222208 in words is "one hundred twenty-one million, two hundred twenty-two thousand, two hundred eight".