21301031110 has 48 divisors (see below), whose sum is σ = 40775469840. Its totient is φ = 8010247680.

The previous prime is 21301031071. The next prime is 21301031111. The reversal of 21301031110 is 1113010312.

21301031110 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2947081 + ... + 2954299.

It is an arithmetic number, because the mean of its divisors is an integer number (849488955).

Almost surely, 2^21301031110 is an apocalyptic number.

21301031110 is a deficient number, since it is larger than the sum of its proper divisors (19474438730).

21301031110 is a wasteful number, since it uses less digits than its factorization.

21301031110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281 (or 8264 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21301031110 its reverse (1113010312), we get a palindrome (22414041422).

The spelling of 21301031110 in words is "twenty-one billion, three hundred one million, thirty-one thousand, one hundred ten".