21424113102000 has 240 divisors, whose sum is σ = 80348295317472. Its totient is φ = 4896940070400.

The previous prime is 21424113101999. The next prime is 21424113102013. The reversal of 21424113102000 is 20131142412.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36141567 + ... + 36729566.

Almost surely, 2^{21424113102000} is an apocalyptic number.

21424113102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21424113102000 is an abundant number, since it is smaller than the sum of its proper divisors (58924182215472).

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

21424113102000 is a wasteful number, since it uses less digits than its factorization.

21424113102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72871173 (or 72871150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21424113102000 its reverse (20131142412), we get a palindrome (21444244244412).

The spelling of 21424113102000 in words is "twenty-one trillion, four hundred twenty-four billion, one hundred thirteen million, one hundred two thousand".