21300411000 has 128 divisors (see below), whose sum is σ = 72498965760. Its totient is φ = 5163728000.

The previous prime is 21300410977. The next prime is 21300411007. The reversal of 21300411000 is 11400312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300411007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289734 + ... + 355733.

It is an arithmetic number, because the mean of its divisors is an integer number (566398170).

Almost surely, 2^21300411000 is an apocalyptic number.

21300411000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21300411000 is an abundant number, since it is smaller than the sum of its proper divisors (51198554760).

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

21300411000 is a wasteful number, since it uses less digits than its factorization.

21300411000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645502 (or 645488 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21300411000 its reverse (11400312), we get a palindrome (21311811312).

The spelling of 21300411000 in words is "twenty-one billion, three hundred million, four hundred eleven thousand".