21303233030100 has 72 divisors (see below), whose sum is σ = 70442690559808. Its totient is φ = 4869310406400.

The previous prime is 21303233030099. The next prime is 21303233030111. The reversal of 21303233030100 is 103033230312.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 5072196241 + ... + 5072200440.

Almost surely, 2^{21303233030100} is an apocalyptic number.

21303233030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303233030100 is an abundant number, since it is smaller than the sum of its proper divisors (49139457529708).

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

21303233030100 is a wasteful number, since it uses less digits than its factorization.

21303233030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144396705 (or 10144396698 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21303233030100 its reverse (103033230312), we get a palindrome (21406266260412).

The spelling of 21303233030100 in words is "twenty-one trillion, three hundred three billion, two hundred thirty-three million, thirty thousand, one hundred".