21233140432110 has 48 divisors (see below), whose sum is σ = 55206948401280. Its totient is φ = 5662090445760.

The previous prime is 21233140432079. The next prime is 21233140432181. The reversal of 21233140432110 is 1123404133212.

21233140432110 is a `hidden beast` number, since 2 + 1 + 2 + 331 + 4 + 0 + 4 + 321 + 1 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4845136 + ... + 8120444.

It is an arithmetic number, because the mean of its divisors is an integer number (1150144758360).

Almost surely, 2^{21233140432110} is an apocalyptic number.

21233140432110 is an abundant number, since it is smaller than the sum of its proper divisors (33973807969170).

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

21233140432110 is a wasteful number, since it uses less digits than its factorization.

21233140432110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347353 (or 3347350 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 21233140432110 its reverse (1123404133212), we get a palindrome (22356544565322).

The spelling of 21233140432110 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred forty million, four hundred thirty-two thousand, one hundred ten".