21313541110 has 32 divisors (see below), whose sum is σ = 38822846400. Its totient is φ = 8423669760.

The previous prime is 21313541101. The next prime is 21313541113. The reversal of 21313541110 is 1114531312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313541113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379830 + ... + 1395190.

It is an arithmetic number, because the mean of its divisors is an integer number (1213213950).

Almost surely, 2^21313541110 is an apocalyptic number.

21313541110 is a deficient number, since it is larger than the sum of its proper divisors (17509305290).

21313541110 is a wasteful number, since it uses less digits than its factorization.

21313541110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17016.

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 21313541110 in words is "twenty-one billion, three hundred thirteen million, five hundred forty-one thousand, one hundred ten".