21200101330 has 16 divisors (see below), whose sum is σ = 38174307264. Its totient is φ = 8476901680.

The previous prime is 21200101303. The next prime is 21200101339. The reversal of 21200101330 is 3310100212.

It is a self number, because there is not a number n which added to its sum of digits gives 21200101330.

It is not an unprimeable number, because it can be changed into a prime (21200101339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363892 + ... + 418111.

It is an arithmetic number, because the mean of its divisors is an integer number (2385894204).

Almost surely, 2^21200101330 is an apocalyptic number.

21200101330 is a deficient number, since it is larger than the sum of its proper divisors (16974205934).

21200101330 is a wasteful number, since it uses less digits than its factorization.

21200101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784721.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21200101330 its reverse (3310100212), we get a palindrome (24510201542).

The spelling of 21200101330 in words is "twenty-one billion, two hundred million, one hundred one thousand, three hundred thirty".