21202301300 has 36 divisors (see below), whose sum is σ = 47131173516. Its totient is φ = 8274067200.

The previous prime is 21202301297. The next prime is 21202301303. The reversal of 21202301300 is 310320212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21202301297) and next prime (21202301303).

It can be written as a sum of positive squares in 6 ways, for example, as 4448623204 + 16753678096 = 66698^2 + 129436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202301303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2581547 + ... + 2589746.

Almost surely, 2^21202301300 is an apocalyptic number.

21202301300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21202301300 is an abundant number, since it is smaller than the sum of its proper divisors (25928872216).

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

21202301300 is a wasteful number, since it uses less digits than its factorization.

21202301300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171348 (or 5171341 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21202301300 its reverse (310320212), we get a palindrome (21512621512).

The spelling of 21202301300 in words is "twenty-one billion, two hundred two million, three hundred one thousand, three hundred".