121000121119986 has 8 divisors (see below), whose sum is σ = 242000242239984. Its totient is φ = 40333373706660.

The previous prime is 121000121119967. The next prime is 121000121119987. The reversal of 121000121119986 is 689911121000121.

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

121000121119986 is an admirable number.

It is a super-2 number, since 2×121000121119986² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121000121119987) 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 3 ways as a sum of consecutive naturals, for example, 10083343426660 + ... + 10083343426671.

It is an arithmetic number, because the mean of its divisors is an integer number (30250030279998).

Almost surely, 2^{121000121119986} is an apocalyptic number.

121000121119986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121000121119986 is a wasteful number, since it uses less digits than its factorization.

121000121119986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166686853336.

The product of its (nonzero) digits is 15552, while the sum is 42.

The spelling of 121000121119986 in words is "one hundred twenty-one trillion, one hundred twenty-one million, one hundred nineteen thousand, nine hundred eighty-six".