121002222012209 has 16 divisors (see below), whose sum is σ = 123530057164800. Its totient is φ = 118490351627856.

The previous prime is 121002222012193. The next prime is 121002222012211. The reversal of 121002222012209 is 902210222200121.

It is a cyclic number.

It is not a de Polignac number, because 121002222012209 - 2⁴ = 121002222012193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121002222012509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216384632 + ... + 216943110.

It is an arithmetic number, because the mean of its divisors is an integer number (7720628572800).

Almost surely, 2^{121002222012209} is an apocalyptic number.

It is an amenable number.

121002222012209 is a deficient number, since it is larger than the sum of its proper divisors (2527835152591).

121002222012209 is a wasteful number, since it uses less digits than its factorization.

121002222012209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572764.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 121002222012209 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-two million, twelve thousand, two hundred nine".