21034211134 has 8 divisors (see below), whose sum is σ = 31551959880. Its totient is φ = 10516891176.

The previous prime is 21034211131. The next prime is 21034211147. The reversal of 21034211134 is 43111243012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034211131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82777 + ... + 221179.

It is an arithmetic number, because the mean of its divisors is an integer number (3943994985).

Almost surely, 2^21034211134 is an apocalyptic number.

21034211134 is a deficient number, since it is larger than the sum of its proper divisors (10517748746).

21034211134 is a wasteful number, since it uses less digits than its factorization.

21034211134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214394.

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

Adding to 21034211134 its reverse (43111243012), we get a palindrome (64145454146).

The spelling of 21034211134 in words is "twenty-one billion, thirty-four million, two hundred eleven thousand, one hundred thirty-four".