21133202200 has 384 divisors, whose sum is σ = 59653324800. Its totient is φ = 6875712000.

The previous prime is 21133202183. The next prime is 21133202227. The reversal of 21133202200 is 220233112.

It is a super-2 number, since 2×21133202200² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60902427 + ... + 60902773.

It is an arithmetic number, because the mean of its divisors is an integer number (155347200).

Almost surely, 2^21133202200 is an apocalyptic number.

21133202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21133202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29826662400).

21133202200 is an abundant number, since it is smaller than the sum of its proper divisors (38520122600).

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

21133202200 is a wasteful number, since it uses less digits than its factorization.

21133202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21133202200 its reverse (220233112), we get a palindrome (21353435312).

The spelling of 21133202200 in words is "twenty-one billion, one hundred thirty-three million, two hundred two thousand, two hundred".