121028222 has 8 divisors (see below), whose sum is σ = 207476976. Its totient is φ = 51869232.

The previous prime is 121028213. The next prime is 121028249. The reversal of 121028222 is 222820121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 121028194 and 121028203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4322423 + ... + 4322450.

It is an arithmetic number, because the mean of its divisors is an integer number (25934622).

Almost surely, 2^121028222 is an apocalyptic number.

121028222 is a deficient number, since it is larger than the sum of its proper divisors (86448754).

121028222 is an equidigital number, since it uses as much as digits as its factorization.

121028222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644882.

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

The square root of 121028222 is about 11001.2827433895. The cubic root of 121028222 is about 494.6471954623.

Adding to 121028222 its reverse (222820121), we get a palindrome (343848343).

The spelling of 121028222 in words is "one hundred twenty-one million, twenty-eight thousand, two hundred twenty-two".