21000132110 has 8 divisors (see below), whose sum is σ = 37800237816. Its totient is φ = 8400052840.

The previous prime is 21000132077. The next prime is 21000132151. The reversal of 21000132110 is 1123100012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21000132091 and 21000132100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050006596 + ... + 1050006615.

It is an arithmetic number, because the mean of its divisors is an integer number (4725029727).

Almost surely, 2^21000132110 is an apocalyptic number.

21000132110 is a deficient number, since it is larger than the sum of its proper divisors (16800105706).

21000132110 is a wasteful number, since it uses less digits than its factorization.

21000132110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100013218.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21000132110 its reverse (1123100012), we get a palindrome (22123232122).

The spelling of 21000132110 in words is "twenty-one billion, one hundred thirty-two thousand, one hundred ten".