21323223010110 has 64 divisors (see below), whose sum is σ = 58490065723392. Its totient is φ = 4873586946816.

The previous prime is 21323223010097. The next prime is 21323223010189. The reversal of 21323223010110 is 1101032232312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468082 + ... + 6547178.

It is an arithmetic number, because the mean of its divisors is an integer number (913907276928).

Almost surely, 2^{21323223010110} is an apocalyptic number.

21323223010110 is an abundant number, since it is smaller than the sum of its proper divisors (37166842713282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21323223010110 is a wasteful number, since it uses less digits than its factorization.

21323223010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095817.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21323223010110 its reverse (1101032232312), we get a palindrome (22424255242422).

The spelling of 21323223010110 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred twenty-three million, ten thousand, one hundred ten".