21441011000 has 32 divisors (see below), whose sum is σ = 50171968080. Its totient is φ = 8576404000.

The previous prime is 21441010999. The next prime is 21441011017. The reversal of 21441011000 is 11014412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10719506 + ... + 10721505.

Almost surely, 2^21441011000 is an apocalyptic number.

21441011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21441011000 is an abundant number, since it is smaller than the sum of its proper divisors (28730957080).

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

21441011000 is a wasteful number, since it uses less digits than its factorization.

21441011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21441032 (or 21441018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21441011000 its reverse (11014412), we get a palindrome (21452025412).

The spelling of 21441011000 in words is "twenty-one billion, four hundred forty-one million, eleven thousand".