21113001302000 has 40 divisors (see below), whose sum is σ = 51051237153072. Its totient is φ = 8445200520000.

The previous prime is 21113001301967. The next prime is 21113001302011. The reversal of 21113001302000 is 20310031112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5278248326 + ... + 5278252325.

Almost surely, 2^{21113001302000} is an apocalyptic number.

21113001302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21113001302000 is an abundant number, since it is smaller than the sum of its proper divisors (29938235851072).

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

21113001302000 is a wasteful number, since it uses less digits than its factorization.

21113001302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10556500674 (or 10556500658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21113001302000 its reverse (20310031112), we get a palindrome (21133311333112).

The spelling of 21113001302000 in words is "twenty-one trillion, one hundred thirteen billion, one million, three hundred two thousand".