21133043034 has 32 divisors (see below), whose sum is σ = 45179455104. Its totient is φ = 6573726720.

The previous prime is 21133043027. The next prime is 21133043053. The reversal of 21133043034 is 43034033112.

It is a junction number, because it is equal to n+sod(n) for n = 21133042995 and 21133043013.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1861879 + ... + 1873194.

It is an arithmetic number, because the mean of its divisors is an integer number (1411857972).

Almost surely, 2^21133043034 is an apocalyptic number.

21133043034 is an abundant number, since it is smaller than the sum of its proper divisors (24046412070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21133043034 is a wasteful number, since it uses less digits than its factorization.

21133043034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735142.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21133043034 its reverse (43034033112), we get a palindrome (64167076146).

The spelling of 21133043034 in words is "twenty-one billion, one hundred thirty-three million, forty-three thousand, thirty-four".