21330133043132 has 12 divisors (see below), whose sum is σ = 37334771846736. Its totient is φ = 10663055372640.

The previous prime is 21330133043119. The next prime is 21330133043183. The reversal of 21330133043132 is 23134033103312.

It is a junction number, because it is equal to n+sod(n) for n = 21330133043095 and 21330133043104.

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, 502763369 + ... + 502805792.

It is an arithmetic number, because the mean of its divisors is an integer number (3111230987228).

Almost surely, 2^{21330133043132} is an apocalyptic number.

It is an amenable number.

21330133043132 is a deficient number, since it is larger than the sum of its proper divisors (16004638803604).

21330133043132 is a wasteful number, since it uses less digits than its factorization.

21330133043132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005574468 (or 1005574466 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21330133043132 its reverse (23134033103312), we get a palindrome (44464166146444).

The spelling of 21330133043132 in words is "twenty-one trillion, three hundred thirty billion, one hundred thirty-three million, forty-three thousand, one hundred thirty-two".