21202132203300 has 72 divisors (see below), whose sum is σ = 61465356590400. Its totient is φ = 5642794017920.

The previous prime is 21202132203281. The next prime is 21202132203311. The reversal of 21202132203300 is 330223120212.

It is a happy 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, 69271440 + ... + 69576839.

It is an arithmetic number, because the mean of its divisors is an integer number (853685508200).

Almost surely, 2^{21202132203300} is an apocalyptic number.

21202132203300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21202132203300 is an abundant number, since it is smaller than the sum of its proper divisors (40263224387100).

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

21202132203300 is a wasteful number, since it uses less digits than its factorization.

21202132203300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138848805 (or 138848798 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21202132203300 its reverse (330223120212), we get a palindrome (21532355323512).

The spelling of 21202132203300 in words is "twenty-one trillion, two hundred two billion, one hundred thirty-two million, two hundred three thousand, three hundred".