21113013034 has 8 divisors (see below), whose sum is σ = 31670519328. Its totient is φ = 10556173260.

The previous prime is 21113013013. The next prime is 21113013037. The reversal of 21113013034 is 43031031112.

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

It is not an unprimeable number, because it can be changed into a prime (21113013037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78012 + ... + 219799.

It is an arithmetic number, because the mean of its divisors is an integer number (3958814916).

Almost surely, 2^21113013034 is an apocalyptic number.

21113013034 is a deficient number, since it is larger than the sum of its proper divisors (10557506294).

21113013034 is a wasteful number, since it uses less digits than its factorization.

21113013034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333260.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21113013034 its reverse (43031031112), we get a palindrome (64144044146).

The spelling of 21113013034 in words is "twenty-one billion, one hundred thirteen million, thirteen thousand, thirty-four".