21139099303 has 8 divisors (see below), whose sum is σ = 24499238400. Its totient is φ = 17864027160.

The previous prime is 21139099297. The next prime is 21139099351. The reversal of 21139099303 is 30399093112.

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

It is a de Polignac number, because none of the positive numbers 2^k-21139099303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21139097303) 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, 21266203 + ... + 21267196.

It is an arithmetic number, because the mean of its divisors is an integer number (3062404800).

Almost surely, 2^21139099303 is an apocalyptic number.

21139099303 is a deficient number, since it is larger than the sum of its proper divisors (3360139097).

21139099303 is an equidigital number, since it uses as much as digits as its factorization.

21139099303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42533477.

The product of its (nonzero) digits is 39366, while the sum is 40.

It can be divided in two parts, 2113909 and 9303, that added together give a palindrome (2123212).

The spelling of 21139099303 in words is "twenty-one billion, one hundred thirty-nine million, ninety-nine thousand, three hundred three".