121122021100999 has 16 divisors (see below), whose sum is σ = 130056709985280. Its totient is φ = 112388516392320.

The previous prime is 121122021100957. The next prime is 121122021101047. The reversal of 121122021100999 is 999001120221121.

It is a cyclic number.

It is not a de Polignac number, because 121122021100999 - 2¹⁵ = 121122021068231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122021101999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43202182 + ... + 45920284.

It is an arithmetic number, because the mean of its divisors is an integer number (8128544374080).

Almost surely, 2^{121122021100999} is an apocalyptic number.

121122021100999 is a deficient number, since it is larger than the sum of its proper divisors (8934688884281).

121122021100999 is a wasteful number, since it uses less digits than its factorization.

121122021100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755110.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 121122021100999 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-one million, one hundred thousand, nine hundred ninety-nine".