2021305313066 has 32 divisors (see below), whose sum is σ = 3272607273600. Its totient is φ = 930791113920.

The previous prime is 2021305313047. The next prime is 2021305313161. The reversal of 2021305313066 is 6603135031202.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34559075 + ... + 34617513.

It is an arithmetic number, because the mean of its divisors is an integer number (102268977300).

Almost surely, 2^{2021305313066} is an apocalyptic number.

2021305313066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2021305313066 is a deficient number, since it is larger than the sum of its proper divisors (1251301960534).

2021305313066 is a wasteful number, since it uses less digits than its factorization.

2021305313066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61454.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 2021305313066 in words is "two trillion, twenty-one billion, three hundred five million, three hundred thirteen thousand, sixty-six".