21032231330100 has 72 divisors (see below), whose sum is σ = 61126140732160. Its totient is φ = 5583444353280.

The previous prime is 21032231330023. The next prime is 21032231330113. The reversal of 21032231330100 is 103313223012.

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, 157124665 + ... + 157258464.

Almost surely, 2^{21032231330100} is an apocalyptic number.

21032231330100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21032231330100 is an abundant number, since it is smaller than the sum of its proper divisors (40093909402060).

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

21032231330100 is a wasteful number, since it uses less digits than its factorization.

21032231330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314383369 (or 314383362 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21032231330100 its reverse (103313223012), we get a palindrome (21135544553112).

The spelling of 21032231330100 in words is "twenty-one trillion, thirty-two billion, two hundred thirty-one million, three hundred thirty thousand, one hundred".