21114113133443 has 4 divisors (see below), whose sum is σ = 23033577963768. Its totient is φ = 19194648303120.

The previous prime is 21114113133403. The next prime is 21114113133457. The reversal of 21114113133443 is 34433131141112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21114113133443 - 2¹⁰ = 21114113132419 is a prime.

It is a super-3 number, since 3×21114113133443³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21114113133403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959732415146 + ... + 959732415167.

It is an arithmetic number, because the mean of its divisors is an integer number (5758394490942).

Almost surely, 2^{21114113133443} is an apocalyptic number.

21114113133443 is a deficient number, since it is larger than the sum of its proper divisors (1919464830325).

21114113133443 is a wasteful number, since it uses less digits than its factorization.

21114113133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919464830324.

The product of its digits is 10368, while the sum is 32.

Adding to 21114113133443 its reverse (34433131141112), we get a palindrome (55547244274555).

The spelling of 21114113133443 in words is "twenty-one trillion, one hundred fourteen billion, one hundred thirteen million, one hundred thirty-three thousand, four hundred forty-three".