121121122299 has 8 divisors (see below), whose sum is σ = 161510123280. Its totient is φ = 80739768096.

The previous prime is 121121122289. The next prime is 121121122363. The reversal of 121121122299 is 992221121121.

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

It is not a de Polignac number, because 121121122299 - 2⁹ = 121121121787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121121122259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874632 + ... + 1938165.

It is an arithmetic number, because the mean of its divisors is an integer number (20188765410).

Almost surely, 2^121121122299 is an apocalyptic number.

121121122299 is a deficient number, since it is larger than the sum of its proper divisors (40389000981).

121121122299 is a wasteful number, since it uses less digits than its factorization.

121121122299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823389.

The product of its digits is 2592, while the sum is 33.

The spelling of 121121122299 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred ninety-nine".