121000222 has 32 divisors (see below), whose sum is σ = 212212224. Its totient is φ = 50676000.

The previous prime is 121000213. The next prime is 121000261. The reversal of 121000222 is 222000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000199 and 121000208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116847 + ... + 117877.

It is an arithmetic number, because the mean of its divisors is an integer number (6631632).

Almost surely, 2^121000222 is an apocalyptic number.

121000222 is a deficient number, since it is larger than the sum of its proper divisors (91212002).

121000222 is a wasteful number, since it uses less digits than its factorization.

121000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 121000222 is about 11000.0100909045. The cubic root of 121000222 is about 494.6090468127.

Adding to 121000222 its reverse (222000121), we get a palindrome (343000343).

The spelling of 121000222 in words is "one hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.