21110323132 has 12 divisors (see below), whose sum is σ = 37136486016. Its totient is φ = 10499898560.

The previous prime is 21110323127. The next prime is 21110323183. The reversal of 21110323132 is 23132301112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13814893 + ... + 13816420.

It is an arithmetic number, because the mean of its divisors is an integer number (3094707168).

Almost surely, 2^21110323132 is an apocalyptic number.

It is an amenable number.

21110323132 is a deficient number, since it is larger than the sum of its proper divisors (16026162884).

21110323132 is a wasteful number, since it uses less digits than its factorization.

21110323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27631508 (or 27631506 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21110323132 its reverse (23132301112), we get a palindrome (44242624244).

The spelling of 21110323132 in words is "twenty-one billion, one hundred ten million, three hundred twenty-three thousand, one hundred thirty-two".