21114133042 has 8 divisors (see below), whose sum is σ = 33534211356. Its totient is φ = 9936062592.

The previous prime is 21114133003. The next prime is 21114133043. The reversal of 21114133042 is 24033141112.

It can be written as a sum of positive squares in 2 ways, for example, as 21108893521 + 5239521 = 145289^2 + 2289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21114133042² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21114133043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310501923 + ... + 310501990.

Almost surely, 2^21114133042 is an apocalyptic number.

21114133042 is a deficient number, since it is larger than the sum of its proper divisors (12420078314).

21114133042 is a wasteful number, since it uses less digits than its factorization.

21114133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621003932.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21114133042 its reverse (24033141112), we get a palindrome (45147274154).

The spelling of 21114133042 in words is "twenty-one billion, one hundred fourteen million, one hundred thirty-three thousand, forty-two".