21243104001110 has 16 divisors (see below), whose sum is σ = 38237899867200. Its totient is φ = 8497172119296.

The previous prime is 21243104001103. The next prime is 21243104001127. The reversal of 21243104001110 is 1110040134212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7391870 + ... + 9855249.

It is an arithmetic number, because the mean of its divisors is an integer number (2389868741700).

Almost surely, 2^{21243104001110} is an apocalyptic number.

21243104001110 is a deficient number, since it is larger than the sum of its proper divisors (16994795866090).

21243104001110 is a wasteful number, since it uses less digits than its factorization.

21243104001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17370295.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21243104001110 its reverse (1110040134212), we get a palindrome (22353144135322).

The spelling of 21243104001110 in words is "twenty-one trillion, two hundred forty-three billion, one hundred four million, one thousand, one hundred ten".