121102221102009 has 48 divisors (see below), whose sum is σ = 192938977392768. Its totient is φ = 67320347125248.

The previous prime is 121102221101909. The next prime is 121102221102053. The reversal of 121102221102009 is 900201122201121.

It is not a de Polignac number, because 121102221102009 - 2¹³ = 121102221093817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121102221102009.

It is not an unprimeable number, because it can be changed into a prime (121102221102809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32801604 + ... + 36306330.

It is an arithmetic number, because the mean of its divisors is an integer number (4019562029016).

Almost surely, 2^{121102221102009} is an apocalyptic number.

It is an amenable number.

121102221102009 is a deficient number, since it is larger than the sum of its proper divisors (71836756290759).

121102221102009 is a wasteful number, since it uses less digits than its factorization.

121102221102009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511134 (or 3511127 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 121102221102009 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, one hundred two thousand, nine".