121021000319983 has 8 divisors (see below), whose sum is σ = 121225633019568. Its totient is φ = 120816369473664.

The previous prime is 121021000319977. The next prime is 121021000320013. The reversal of 121021000319983 is 389913000120121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121021000319983 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 (121021000319383) 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, 214091385 + ... + 214655917.

It is an arithmetic number, because the mean of its divisors is an integer number (15153204127446).

Almost surely, 2^{121021000319983} is an apocalyptic number.

121021000319983 is a deficient number, since it is larger than the sum of its proper divisors (204632699585).

121021000319983 is an equidigital number, since it uses as much as digits as its factorization.

121021000319983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926633.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 121021000319983 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred nineteen thousand, nine hundred eighty-three".