21130321301203 has 16 divisors (see below), whose sum is σ = 22066427242080. Its totient is φ = 20208102025216.

The previous prime is 21130321301183. The next prime is 21130321301227. The reversal of 21130321301203 is 30210312303112.

It is a cyclic number.

It is not a de Polignac number, because 21130321301203 - 2⁵ = 21130321301171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21130321001203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21161625 + ... + 22137637.

It is an arithmetic number, because the mean of its divisors is an integer number (1379151702630).

Almost surely, 2^{21130321301203} is an apocalyptic number.

21130321301203 is a deficient number, since it is larger than the sum of its proper divisors (936105940877).

21130321301203 is a wasteful number, since it uses less digits than its factorization.

21130321301203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983126.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21130321301203 its reverse (30210312303112), we get a palindrome (51340633604315).

The spelling of 21130321301203 in words is "twenty-one trillion, one hundred thirty billion, three hundred twenty-one million, three hundred one thousand, two hundred three".