990121300303301 has 8 divisors (see below), whose sum is σ = 990262772337024. Its totient is φ = 989979831642960.

The previous prime is 990121300303283. The next prime is 990121300303357. The reversal of 990121300303301 is 103303003121099.

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 990121300303301 - 2⁶ = 990121300303237 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 (990121300303381) 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, 618575831 + ... + 620174411.

It is an arithmetic number, because the mean of its divisors is an integer number (123782846542128).

Almost surely, 2^{990121300303301} is an apocalyptic number.

It is an amenable number.

990121300303301 is a deficient number, since it is larger than the sum of its proper divisors (141472033723).

990121300303301 is a wasteful number, since it uses less digits than its factorization.

990121300303301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686691.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 990121300303301 in words is "nine hundred ninety trillion, one hundred twenty-one billion, three hundred million, three hundred three thousand, three hundred one".