21244224144033 has 96 divisors (see below), whose sum is σ = 34902413170560. Its totient is φ = 12337229076480.

The previous prime is 21244224144001. The next prime is 21244224144097. The reversal of 21244224144033 is 33044142244212.

21244224144033 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 4 + 2 + 241 + 4 + 403 + 3 = 666.

It is not a de Polignac number, because 21244224144033 - 2⁵ = 21244224144001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21244224144433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1285261513 + ... + 1285278041.

It is an arithmetic number, because the mean of its divisors is an integer number (363566803860).

Almost surely, 2^{21244224144033} is an apocalyptic number.

It is an amenable number.

21244224144033 is a deficient number, since it is larger than the sum of its proper divisors (13658189026527).

21244224144033 is a wasteful number, since it uses less digits than its factorization.

21244224144033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21887 (or 21884 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 21244224144033 its reverse (33044142244212), we get a palindrome (54288366388245).

The spelling of 21244224144033 in words is "twenty-one trillion, two hundred forty-four billion, two hundred twenty-four million, one hundred forty-four thousand, thirty-three".