21322331330132 has 48 divisors (see below), whose sum is σ = 43284893651328. Its totient is φ = 9000973238400.

The previous prime is 21322331330129. The next prime is 21322331330171. The reversal of 21322331330132 is 23103313322312.

It is a super-2 number, since 2×21322331330132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21322331330095 and 21322331330104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21465398 + ... + 22436754.

It is an arithmetic number, because the mean of its divisors is an integer number (901768617736).

Almost surely, 2^{21322331330132} is an apocalyptic number.

It is an amenable number.

21322331330132 is an abundant number, since it is smaller than the sum of its proper divisors (21962562321196).

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

21322331330132 is a wasteful number, since it uses less digits than its factorization.

21322331330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983136 (or 983134 counting only the distinct ones).

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

Adding to 21322331330132 its reverse (23103313322312), we get a palindrome (44425644652444).

The spelling of 21322331330132 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred thirty-one million, three hundred thirty thousand, one hundred thirty-two".