21114044133 has 32 divisors (see below), whose sum is σ = 34824658176. Its totient is φ = 11080516608.

The previous prime is 21114044089. The next prime is 21114044153. The reversal of 21114044133 is 33144041112.

It is not a de Polignac number, because 21114044133 - 2¹² = 21114040037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114044153) by changing a digit.

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, 142516 + ... + 250077.

It is an arithmetic number, because the mean of its divisors is an integer number (1088270568).

Almost surely, 2^21114044133 is an apocalyptic number.

It is an amenable number.

21114044133 is a deficient number, since it is larger than the sum of its proper divisors (13710614043).

21114044133 is a wasteful number, since it uses less digits than its factorization.

21114044133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392813.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21114044133 its reverse (33144041112), we get a palindrome (54258085245).

The spelling of 21114044133 in words is "twenty-one billion, one hundred fourteen million, forty-four thousand, one hundred thirty-three".