21332223331000 has 128 divisors (see below), whose sum is σ = 51840641698560. Its totient is φ = 8210054160000.

The previous prime is 21332223330991. The next prime is 21332223331019. The reversal of 21332223331000 is 13332223312.

It is a super-2 number, since 2×21332223331000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821226 + ... + 6583225.

It is an arithmetic number, because the mean of its divisors is an integer number (405005013270).

Almost surely, 2^{21332223331000} is an apocalyptic number.

21332223331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332223331000 is an abundant number, since it is smaller than the sum of its proper divisors (30508418367560).

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

21332223331000 is a wasteful number, since it uses less digits than its factorization.

21332223331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404582 (or 7404568 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21332223331000 its reverse (13332223312), we get a palindrome (21345555554312).

The spelling of 21332223331000 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred twenty-three million, three hundred thirty-one thousand".