21301030200 has 48 divisors (see below), whose sum is σ = 66033195480. Its totient is φ = 5680274560.

The previous prime is 21301030199. The next prime is 21301030211. The reversal of 21301030200 is 203010312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17750259 + ... + 17751458.

Almost surely, 2^21301030200 is an apocalyptic number.

21301030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21301030200 is an abundant number, since it is smaller than the sum of its proper divisors (44732165280).

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

21301030200 is a wasteful number, since it uses less digits than its factorization.

21301030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35501736 (or 35501727 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 21301030200 its reverse (203010312), we get a palindrome (21504040512).

The spelling of 21301030200 in words is "twenty-one billion, three hundred one million, thirty thousand, two hundred".