21034211088 has 40 divisors (see below), whose sum is σ = 59278232736. Its totient is φ = 6374003200.

The previous prime is 21034211087. The next prime is 21034211111. The reversal of 21034211088 is 88011243012.

It is not an unprimeable number, because it can be changed into a prime (21034211087) 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 7 ways as a sum of consecutive naturals, for example, 19918233 + ... + 19919288.

Almost surely, 2^21034211088 is an apocalyptic number.

It is an amenable number.

21034211088 is an abundant number, since it is smaller than the sum of its proper divisors (38244021648).

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

21034211088 is a wasteful number, since it uses less digits than its factorization.

21034211088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39837543 (or 39837537 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 21034211088 in words is "twenty-one billion, thirty-four million, two hundred eleven thousand, eighty-eight".