21110032130 has 16 divisors (see below), whose sum is σ = 41452426944. Its totient is φ = 7676375280.

The previous prime is 21110032127. The next prime is 21110032157. The reversal of 21110032130 is 3123001112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95954582 + ... + 95954801.

It is an arithmetic number, because the mean of its divisors is an integer number (2590776684).

Almost surely, 2^21110032130 is an apocalyptic number.

21110032130 is a deficient number, since it is larger than the sum of its proper divisors (20342394814).

21110032130 is a wasteful number, since it uses less digits than its factorization.

21110032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191909401.

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

Adding to 21110032130 its reverse (3123001112), we get a palindrome (24233033242).

The spelling of 21110032130 in words is "twenty-one billion, one hundred ten million, thirty-two thousand, one hundred thirty".