121121222 has 8 divisors (see below), whose sum is σ = 181790400. Its totient is φ = 60524424.

The previous prime is 121121213. The next prime is 121121227. The reversal of 121121222 is 222121121.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121121197 and 121121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121227) 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, 13697 + ... + 20732.

It is an arithmetic number, because the mean of its divisors is an integer number (22723800).

Almost surely, 2^121121222 is an apocalyptic number.

121121222 is a deficient number, since it is larger than the sum of its proper divisors (60669178).

121121222 is a wasteful number, since it uses less digits than its factorization.

121121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36190.

The product of its digits is 32, while the sum is 14.

The square root of 121121222 is about 11005.5087115499. The cubic root of 121121222 is about 494.7738612666.

Adding to 121121222 its reverse (222121121), we get a palindrome (343242343).

It can be divided in two parts, 121121 and 222, that multiplied together give a palindrome (26888862).

The spelling of 121121222 in words is "one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".