21041241134 has 16 divisors (see below), whose sum is σ = 32584546176. Its totient is φ = 10179820800.

The previous prime is 21041241113. The next prime is 21041241157. The reversal of 21041241134 is 43114214012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 523814 + ... + 562550.

It is an arithmetic number, because the mean of its divisors is an integer number (2036534136).

Almost surely, 2^21041241134 is an apocalyptic number.

21041241134 is a deficient number, since it is larger than the sum of its proper divisors (11543305042).

21041241134 is a wasteful number, since it uses less digits than its factorization.

21041241134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47531.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21041241134 its reverse (43114214012), we get a palindrome (64155455146).

The spelling of 21041241134 in words is "twenty-one billion, forty-one million, two hundred forty-one thousand, one hundred thirty-four".