21103302110 has 32 divisors (see below), whose sum is σ = 41487638400. Its totient is φ = 7664960160.

The previous prime is 21103302067. The next prime is 21103302113. The reversal of 21103302110 is 1120330112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103302113) 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, 17180 + ... + 206159.

It is an arithmetic number, because the mean of its divisors is an integer number (1296488700).

Almost surely, 2^21103302110 is an apocalyptic number.

21103302110 is a deficient number, since it is larger than the sum of its proper divisors (20384336290).

21103302110 is a wasteful number, since it uses less digits than its factorization.

21103302110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224216.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21103302110 its reverse (1120330112), we get a palindrome (22223632222).

The spelling of 21103302110 in words is "twenty-one billion, one hundred three million, three hundred two thousand, one hundred ten".