21040313110 has 8 divisors (see below), whose sum is σ = 37872563616. Its totient is φ = 8416125240.

The previous prime is 21040313059. The next prime is 21040313113. The reversal of 21040313110 is 1131304012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21040313113) by changing a digit.

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, 1052015646 + ... + 1052015665.

It is an arithmetic number, because the mean of its divisors is an integer number (4734070452).

Almost surely, 2^21040313110 is an apocalyptic number.

21040313110 is a deficient number, since it is larger than the sum of its proper divisors (16832250506).

21040313110 is a wasteful number, since it uses less digits than its factorization.

21040313110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104031318.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21040313110 its reverse (1131304012), we get a palindrome (22171617122).

The spelling of 21040313110 in words is "twenty-one billion, forty million, three hundred thirteen thousand, one hundred ten".