21403141210320 has 80 divisors (see below), whose sum is σ = 68637659765760. Its totient is φ = 5510693827072.

The previous prime is 21403141210309. The next prime is 21403141210331. The reversal of 21403141210320 is 2301214130412.

It is an interprime number because it is at equal distance from previous prime (21403141210309) and next prime (21403141210331).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537575024 + ... + 1537588943.

It is an arithmetic number, because the mean of its divisors is an integer number (857970747072).

Almost surely, 2^{21403141210320} is an apocalyptic number.

21403141210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21403141210320 is an abundant number, since it is smaller than the sum of its proper divisors (47234518555440).

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

21403141210320 is a wasteful number, since it uses less digits than its factorization.

21403141210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075164012 (or 3075164006 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21403141210320 its reverse (2301214130412), we get a palindrome (23704355340732).

The spelling of 21403141210320 in words is "twenty-one trillion, four hundred three billion, one hundred forty-one million, two hundred ten thousand, three hundred twenty".