10021020331009 has 16 divisors (see below), whose sum is σ = 10769265423936. Its totient is φ = 9290427379200.

The previous prime is 10021020331001. The next prime is 10021020331079. The reversal of 10021020331009 is 90013302012001.

It is a cyclic number.

It is not a de Polignac number, because 10021020331009 - 2³ = 10021020331001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021020331001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32788914 + ... + 33093124.

It is an arithmetic number, because the mean of its divisors is an integer number (673079088996).

Almost surely, 2^{10021020331009} is an apocalyptic number.

It is an amenable number.

10021020331009 is a deficient number, since it is larger than the sum of its proper divisors (748245092927).

10021020331009 is a wasteful number, since it uses less digits than its factorization.

10021020331009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333216.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 10021020331009 in words is "ten trillion, twenty-one billion, twenty million, three hundred thirty-one thousand, nine".