21103301302 has 16 divisors (see below), whose sum is σ = 31850573760. Its totient is φ = 10486513288.

The previous prime is 21103301281. The next prime is 21103301309. The reversal of 21103301302 is 20310330112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103301309) 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, 623253 + ... + 656239.

It is an arithmetic number, because the mean of its divisors is an integer number (1990660860).

Almost surely, 2^21103301302 is an apocalyptic number.

21103301302 is a deficient number, since it is larger than the sum of its proper divisors (10747272458).

21103301302 is a wasteful number, since it uses less digits than its factorization.

21103301302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34955.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21103301302 its reverse (20310330112), we get a palindrome (41413631414).

The spelling of 21103301302 in words is "twenty-one billion, one hundred three million, three hundred one thousand, three hundred two".