21433043110 has 16 divisors (see below), whose sum is σ = 38733185232. Its totient is φ = 8539060000.

The previous prime is 21433043069. The next prime is 21433043111. The reversal of 21433043110 is 1134033412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433043111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4267021 + ... + 4272040.

It is an arithmetic number, because the mean of its divisors is an integer number (2420824077).

Almost surely, 2^21433043110 is an apocalyptic number.

21433043110 is a deficient number, since it is larger than the sum of its proper divisors (17300142122).

21433043110 is a wasteful number, since it uses less digits than its factorization.

21433043110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539319.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21433043110 its reverse (1134033412), we get a palindrome (22567076522).

The spelling of 21433043110 in words is "twenty-one billion, four hundred thirty-three million, forty-three thousand, one hundred ten".