21433244331110 has 64 divisors (see below), whose sum is σ = 39764089209600. Its totient is φ = 8313777100800.

The previous prime is 21433244331101. The next prime is 21433244331127. The reversal of 21433244331110 is 1113344233412.

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 31 ways as a sum of consecutive naturals, for example, 27700412 + ... + 28463648.

It is an arithmetic number, because the mean of its divisors is an integer number (621313893900).

Almost surely, 2^{21433244331110} is an apocalyptic number.

21433244331110 is a deficient number, since it is larger than the sum of its proper divisors (18330844878490).

21433244331110 is a wasteful number, since it uses less digits than its factorization.

21433244331110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763841.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 21433244331110 its reverse (1113344233412), we get a palindrome (22546588564522).

The spelling of 21433244331110 in words is "twenty-one trillion, four hundred thirty-three billion, two hundred forty-four million, three hundred thirty-one thousand, one hundred ten".