3321006543021 has 16 divisors (see below), whose sum is σ = 4620591870336. Its totient is φ = 2117715331776.

The previous prime is 3321006542999. The next prime is 3321006543031. The reversal of 3321006543021 is 1203456001233.

It is a de Polignac number, because none of the positive numbers 2^k-3321006543021 is a prime.

It is a super-2 number, since 2×3321006543021² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3321006543021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321006543031) 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, 5787931 + ... + 6335783.

It is an arithmetic number, because the mean of its divisors is an integer number (288786991896).

Almost surely, 2^{3321006543021} is an apocalyptic number.

It is an amenable number.

3321006543021 is a deficient number, since it is larger than the sum of its proper divisors (1299585327315).

3321006543021 is a wasteful number, since it uses less digits than its factorization.

3321006543021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635732.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 3321006543021 in words is "three trillion, three hundred twenty-one billion, six million, five hundred forty-three thousand, twenty-one".