21310430044200 has 192 divisors, whose sum is σ = 73249443789120. Its totient is φ = 5081473536000.

The previous prime is 21310430044199. The next prime is 21310430044229. The reversal of 21310430044200 is 244003401312.

It is a super-3 number, since 3×21310430044200³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 26063409 + ... + 26868608.

It is an arithmetic number, because the mean of its divisors is an integer number (381507519735).

Almost surely, 2^{21310430044200} is an apocalyptic number.

21310430044200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21310430044200 is an abundant number, since it is smaller than the sum of its proper divisors (51939013744920).

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

21310430044200 is a wasteful number, since it uses less digits than its factorization.

21310430044200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52932108 (or 52932099 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21310430044200 its reverse (244003401312), we get a palindrome (21554433445512).

The spelling of 21310430044200 in words is "twenty-one trillion, three hundred ten billion, four hundred thirty million, forty-four thousand, two hundred".