21214064325103 has 4 divisors (see below), whose sum is σ = 22845915427048. Its totient is φ = 19582213223160.

The previous prime is 21214064325059. The next prime is 21214064325127. The reversal of 21214064325103 is 30152346041212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21214064325103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214064323103) 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 3 ways as a sum of consecutive naturals, for example, 815925550953 + ... + 815925550978.

It is an arithmetic number, because the mean of its divisors is an integer number (5711478856762).

Almost surely, 2^{21214064325103} is an apocalyptic number.

21214064325103 is a deficient number, since it is larger than the sum of its proper divisors (1631851101945).

21214064325103 is a wasteful number, since it uses less digits than its factorization.

21214064325103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631851101944.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 21214064325103 in words is "twenty-one trillion, two hundred fourteen billion, sixty-four million, three hundred twenty-five thousand, one hundred three".