21130000110 has 24 divisors (see below), whose sum is σ = 54938000520. Its totient is φ = 5634666672.

The previous prime is 21130000103. The next prime is 21130000121. The reversal of 21130000110 is 1100003112.

It is a super-3 number, since 3×21130000110³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21130000092 and 21130000101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117388800 + ... + 117388979.

It is an arithmetic number, because the mean of its divisors is an integer number (2289083355).

Almost surely, 2^21130000110 is an apocalyptic number.

21130000110 is an abundant number, since it is smaller than the sum of its proper divisors (33808000410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21130000110 is a wasteful number, since it uses less digits than its factorization.

21130000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234777792 (or 234777789 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 21130000110 its reverse (1100003112), we get a palindrome (22230003222).

The spelling of 21130000110 in words is "twenty-one billion, one hundred thirty million, one hundred ten", and thus it is an aban number.