21130302110 has 8 divisors (see below), whose sum is σ = 38034543816. Its totient is φ = 8452120840.

The previous prime is 21130302091. The next prime is 21130302163. The reversal of 21130302110 is 1120303112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056515096 + ... + 1056515115.

It is an arithmetic number, because the mean of its divisors is an integer number (4754317977).

Almost surely, 2^21130302110 is an apocalyptic number.

21130302110 is a deficient number, since it is larger than the sum of its proper divisors (16904241706).

21130302110 is a wasteful number, since it uses less digits than its factorization.

21130302110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113030218.

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

Adding to 21130302110 its reverse (1120303112), we get a palindrome (22250605222).

The spelling of 21130302110 in words is "twenty-one billion, one hundred thirty million, three hundred two thousand, one hundred ten".