21032322011 has 8 divisors (see below), whose sum is σ = 21482164224. Its totient is φ = 20582577640.

The previous prime is 21032321941. The next prime is 21032322019. The reversal of 21032322011 is 11022323012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21032322011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21032322019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555206 + ... + 591876.

It is an arithmetic number, because the mean of its divisors is an integer number (2685270528).

Almost surely, 2^21032322011 is an apocalyptic number.

21032322011 is a deficient number, since it is larger than the sum of its proper divisors (449842213).

21032322011 is a wasteful number, since it uses less digits than its factorization.

21032322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48921.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21032322011 its reverse (11022323012), we get a palindrome (32054645023).

The spelling of 21032322011 in words is "twenty-one billion, thirty-two million, three hundred twenty-two thousand, eleven".