21332011354404 has 24 divisors (see below), whose sum is σ = 50333959378080. Its totient is φ = 7030775277504.

The previous prime is 21332011354393. The next prime is 21332011354421. The reversal of 21332011354404 is 40445311023312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9986895634 + ... + 9986897769.

It is an arithmetic number, because the mean of its divisors is an integer number (2097248307420).

Almost surely, 2^{21332011354404} is an apocalyptic number.

It is an amenable number.

21332011354404 is an abundant number, since it is smaller than the sum of its proper divisors (29001948023676).

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

21332011354404 is a wasteful number, since it uses less digits than its factorization.

21332011354404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973793499 (or 19973793497 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 21332011354404 its reverse (40445311023312), we get a palindrome (61777322377716).

The spelling of 21332011354404 in words is "twenty-one trillion, three hundred thirty-two billion, eleven million, three hundred fifty-four thousand, four hundred four".