121022222 has 8 divisors (see below), whose sum is σ = 182455416. Its totient is φ = 60203752.

The previous prime is 121022221. The next prime is 121022261. The reversal of 121022222 is 222220121.

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

121022222 is a modest number, since divided by 22222 gives 1210 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 121022197 and 121022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153188 + ... + 153975.

It is an arithmetic number, because the mean of its divisors is an integer number (22806927).

Almost surely, 2^121022222 is an apocalyptic number.

121022222 is a deficient number, since it is larger than the sum of its proper divisors (61433194).

121022222 is a wasteful number, since it uses less digits than its factorization.

121022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307362.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 121022222 is about 11001.0100445368. The cubic root of 121022222 is about 494.6390212470.

Adding to 121022222 its reverse (222220121), we get a palindrome (343242343).

It can be divided in two parts, 1210 and 22222, that added together give a palindrome (23432).

The spelling of 121022222 in words is "one hundred twenty-one million, twenty-two thousand, two hundred twenty-two".