21114133443 has 48 divisors (see below), whose sum is σ = 34186108320. Its totient is φ = 12467976192.

The previous prime is 21114133441. The next prime is 21114133457. The reversal of 21114133443 is 34433141112.

21114133443 is a `hidden beast` number, since 211 + 1 + 4 + 1 + 3 + 3 + 443 = 666.

It is not a de Polignac number, because 21114133443 - 2¹ = 21114133441 is a prime.

It is a super-2 number, since 2×21114133443² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21114133441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 533971 + ... + 572147.

It is an arithmetic number, because the mean of its divisors is an integer number (712210590).

Almost surely, 2^21114133443 is an apocalyptic number.

21114133443 is a deficient number, since it is larger than the sum of its proper divisors (13071974877).

21114133443 is a wasteful number, since it uses less digits than its factorization.

21114133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38388 (or 38385 counting only the distinct ones).

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

Adding to 21114133443 its reverse (34433141112), we get a palindrome (55547274555).

The spelling of 21114133443 in words is "twenty-one billion, one hundred fourteen million, one hundred thirty-three thousand, four hundred forty-three".