21331301245103 has 8 divisors (see below), whose sum is σ = 21601416571200. Its totient is φ = 21061188390528.

The previous prime is 21331301245091. The next prime is 21331301245141. The reversal of 21331301245103 is 30154210313312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21331301245103 - 2⁶ = 21331301245039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21331301245153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21929075 + ... + 22881147.

It is an arithmetic number, because the mean of its divisors is an integer number (2700177071400).

Almost surely, 2^{21331301245103} is an apocalyptic number.

21331301245103 is a deficient number, since it is larger than the sum of its proper divisors (270115326097).

21331301245103 is an equidigital number, since it uses as much as digits as its factorization.

21331301245103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235761.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 21331301245103 its reverse (30154210313312), we get a palindrome (51485511558415).

The spelling of 21331301245103 in words is "twenty-one trillion, three hundred thirty-one billion, three hundred one million, two hundred forty-five thousand, one hundred three".