121123222 has 8 divisors (see below), whose sum is σ = 198201672. Its totient is φ = 55056000.

The previous prime is 121123193. The next prime is 121123229. The reversal of 121123222 is 222321121.

It is a happy number.

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

It is a super-2 number, since 2×121123222² = 29341669815322568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121123196 and 121123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123229) by changing a digit.

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, 2752779 + ... + 2752822.

It is an arithmetic number, because the mean of its divisors is an integer number (24775209).

Almost surely, 2^121123222 is an apocalyptic number.

121123222 is a deficient number, since it is larger than the sum of its proper divisors (77078450).

121123222 is a wasteful number, since it uses less digits than its factorization.

121123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505614.

The product of its digits is 96, while the sum is 16.

The square root of 121123222 is about 11005.5995747619. The cubic root of 121123222 is about 494.7765845501.

Adding to 121123222 its reverse (222321121), we get a palindrome (343444343).

The spelling of 121123222 in words is "one hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-two".