21441312333332 has 12 divisors (see below), whose sum is σ = 37522405665780. Its totient is φ = 10720625000256.

The previous prime is 21441312333313. The next prime is 21441312333379. The reversal of 21441312333332 is 23333321314412.

It can be written as a sum of positive squares in 2 ways, for example, as 6310566023056 + 15130746310276 = 2512084^2 + 3889826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21441312333292 and 21441312333301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6207923 + ... + 9023354.

It is an arithmetic number, because the mean of its divisors is an integer number (3126867138815).

Almost surely, 2^{21441312333332} is an apocalyptic number.

It is an amenable number.

21441312333332 is a deficient number, since it is larger than the sum of its proper divisors (16081093332448).

21441312333332 is a wasteful number, since it uses less digits than its factorization.

21441312333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15583210 (or 15583208 counting only the distinct ones).

The product of its digits is 93312, while the sum is 35.

Adding to 21441312333332 its reverse (23333321314412), we get a palindrome (44774633647744).

The spelling of 21441312333332 in words is "twenty-one trillion, four hundred forty-one billion, three hundred twelve million, three hundred thirty-three thousand, three hundred thirty-two".