21332654530211 has 4 divisors (see below), whose sum is σ = 21332676735552. Its totient is φ = 21332632324872.

The previous prime is 21332654530193. The next prime is 21332654530241. The reversal of 21332654530211 is 11203545623312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21332654530211 - 2¹⁰ = 21332654529187 is a prime.

It is a super-2 number, since 2×21332654530211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332654530241) 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, 9593216 + ... + 11605821.

It is an arithmetic number, because the mean of its divisors is an integer number (5333169183888).

Almost surely, 2^{21332654530211} is an apocalyptic number.

21332654530211 is a deficient number, since it is larger than the sum of its proper divisors (22205341).

21332654530211 is a wasteful number, since it uses less digits than its factorization.

21332654530211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22205340.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 21332654530211 in words is "twenty-one trillion, three hundred thirty-two billion, six hundred fifty-four million, five hundred thirty thousand, two hundred eleven".