121001020000199 has 8 divisors (see below), whose sum is σ = 121080301545840. Its totient is φ = 120921740217216.

The previous prime is 121001020000153. The next prime is 121001020000319. The reversal of 121001020000199 is 991000020100121.

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

It is a cyclic number.

It is not a de Polignac number, because 121001020000199 - 2⁴⁰ = 119901508372423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001020000799) 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, 154765637 + ... + 155545505.

It is an arithmetic number, because the mean of its divisors is an integer number (15135037693230).

Almost surely, 2^{121001020000199} is an apocalyptic number.

121001020000199 is a deficient number, since it is larger than the sum of its proper divisors (79281545641).

121001020000199 is an equidigital number, since it uses as much as digits as its factorization.

121001020000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881329.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 121001020000199 in words is "one hundred twenty-one trillion, one billion, twenty million, one hundred ninety-nine", and thus it is an aban number.