21243102101332 has 12 divisors (see below), whose sum is σ = 37203443327680. Its totient is φ = 10613546864856.

The previous prime is 21243102101293. The next prime is 21243102101363. The reversal of 21243102101332 is 23310120134212.

It is a junction number, because it is equal to n+sod(n) for n = 21243102101297 and 21243102101306.

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, 2001040482 + ... + 2001051097.

Almost surely, 2^{21243102101332} is an apocalyptic number.

It is an amenable number.

21243102101332 is a deficient number, since it is larger than the sum of its proper divisors (15960341226348).

21243102101332 is a wasteful number, since it uses less digits than its factorization.

21243102101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002092910 (or 4002092908 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21243102101332 its reverse (23310120134212), we get a palindrome (44553222235544).

The spelling of 21243102101332 in words is "twenty-one trillion, two hundred forty-three billion, one hundred two million, one hundred one thousand, three hundred thirty-two".