21302330323100 has 72 divisors (see below), whose sum is σ = 49131341205408. Its totient is φ = 7989207500800.

The previous prime is 21302330323051. The next prime is 21302330323121. The reversal of 21302330323100 is 132303320312.

It is a super-2 number, since 2×21302330323100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23375681 + ... + 24269880.

It is an arithmetic number, because the mean of its divisors is an integer number (682379738964).

Almost surely, 2^{21302330323100} is an apocalyptic number.

21302330323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21302330323100 is an abundant number, since it is smaller than the sum of its proper divisors (27829010882308).

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

21302330323100 is a wasteful number, since it uses less digits than its factorization.

21302330323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47645855 (or 47645848 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21302330323100 its reverse (132303320312), we get a palindrome (21434633643412).

The spelling of 21302330323100 in words is "twenty-one trillion, three hundred two billion, three hundred thirty million, three hundred twenty-three thousand, one hundred".