21222301023000 has 1024 divisors, whose sum is σ = 91807097241600. Its totient is φ = 4405855680000.

The previous prime is 21222301022933. The next prime is 21222301023031. The reversal of 21222301023000 is 32010322212.

21222301023000 is a `hidden beast` number, since 2 + 122 + 230 + 10 + 2 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2683985047 + ... + 2683992953.

It is an arithmetic number, because the mean of its divisors is an integer number (89655368400).

Almost surely, 2^{21222301023000} is an apocalyptic number.

21222301023000 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 21222301023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45903548620800).

21222301023000 is an abundant number, since it is smaller than the sum of its proper divisors (70584796218600).

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

21222301023000 is a wasteful number, since it uses less digits than its factorization.

21222301023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246 (or 9226 counting only the distinct ones).

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

Adding to 21222301023000 its reverse (32010322212), we get a palindrome (21254311345212).

The spelling of 21222301023000 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred one million, twenty-three thousand".