121122102221222 has 16 divisors (see below), whose sum is σ = 185802436429632. Its totient is φ = 59201756688360.

The previous prime is 121122102221201. The next prime is 121122102221231. The reversal of 121122102221222 is 222122201221121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3449968268 + ... + 3450003375.

It is an arithmetic number, because the mean of its divisors is an integer number (11612652276852).

Almost surely, 2^{121122102221222} is an apocalyptic number.

121122102221222 is a deficient number, since it is larger than the sum of its proper divisors (64680334208410).

121122102221222 is a wasteful number, since it uses less digits than its factorization.

121122102221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899971843.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121122102221222 its reverse (222122201221121), we get a palindrome (343244303442343).

The spelling of 121122102221222 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-two".