23021003221000 has 128 divisors (see below), whose sum is σ = 54685693296000. Its totient is φ = 9068883859200.

The previous prime is 23021003220931. The next prime is 23021003221019. The reversal of 23021003221000 is 12230012032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310641951 + ... + 310716049.

It is an arithmetic number, because the mean of its divisors is an integer number (427231978875).

Almost surely, 2^{23021003221000} is an apocalyptic number.

23021003221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23021003221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27342846648000).

23021003221000 is an abundant number, since it is smaller than the sum of its proper divisors (31664690075000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23021003221000 is a wasteful number, since it uses less digits than its factorization.

23021003221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78824 (or 78810 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23021003221000 its reverse (12230012032), we get a palindrome (23033233233032).

The spelling of 23021003221000 in words is "twenty-three trillion, twenty-one billion, three million, two hundred twenty-one thousand".