21301000000329 has 12 divisors (see below), whose sum is σ = 33038285715024. Its totient is φ = 12172000000104.

The previous prime is 21301000000321. The next prime is 21301000000409. The reversal of 21301000000329 is 92300000010312.

It is a happy number.

It is not a de Polignac number, because 21301000000329 - 2³ = 21301000000321 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (21301000000321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 72452380807 + ... + 72452381100.

It is an arithmetic number, because the mean of its divisors is an integer number (2753190476252).

Almost surely, 2^{21301000000329} is an apocalyptic number.

It is an amenable number.

21301000000329 is a deficient number, since it is larger than the sum of its proper divisors (11737285714695).

21301000000329 is a wasteful number, since it uses less digits than its factorization.

21301000000329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144904761924 (or 144904761917 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 21301000000329 in words is "twenty-one trillion, three hundred one billion, three hundred twenty-nine", and thus it is an aban number.