3221200021023 has 12 divisors (see below), whose sum is σ = 4655017713528. Its totient is φ = 2146463647440.

The previous prime is 3221200021003. The next prime is 3221200021027. The reversal of 3221200021023 is 3201200021223.

It is not a de Polignac number, because 3221200021023 - 2⁶ = 3221200020959 is a prime.

It is a super-2 number, since 2×3221200021023² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3221200020987 and 3221200021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221200021027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83565765 + ... + 83604302.

It is an arithmetic number, because the mean of its divisors is an integer number (387918142794).

Almost surely, 2^{3221200021023} is an apocalyptic number.

3221200021023 is a deficient number, since it is larger than the sum of its proper divisors (1433817692505).

3221200021023 is a wasteful number, since it uses less digits than its factorization.

3221200021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167172214 (or 167172211 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 3221200021023 its reverse (3201200021223), we get a palindrome (6422400042246).

The spelling of 3221200021023 in words is "three trillion, two hundred twenty-one billion, two hundred million, twenty-one thousand, twenty-three".