121102222 has 8 divisors (see below), whose sum is σ = 189551376. Its totient is φ = 57918432.

The previous prime is 121102171. The next prime is 121102243. The reversal of 121102222 is 222201121.

It is a happy number.

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

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, 1316283 + ... + 1316374.

It is an arithmetic number, because the mean of its divisors is an integer number (23693922).

Almost surely, 2^121102222 is an apocalyptic number.

121102222 is a deficient number, since it is larger than the sum of its proper divisors (68449154).

121102222 is a wasteful number, since it uses less digits than its factorization.

121102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632682.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121102222 is about 11004.6454736170. The cubic root of 121102222 is about 494.7479885781.

Adding to 121102222 its reverse (222201121), we get a palindrome (343303343).

The spelling of 121102222 in words is "one hundred twenty-one million, one hundred two thousand, two hundred twenty-two".