21322042134632 has 64 divisors (see below), whose sum is σ = 42225038856000. Its totient is φ = 10065827874816.

The previous prime is 21322042134619. The next prime is 21322042134637. The reversal of 21322042134632 is 23643124022312.

It is a junction number, because it is equal to n+sod(n) for n = 21322042134592 and 21322042134601.

It is not an unprimeable number, because it can be changed into a prime (21322042134637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491303558 + ... + 491346954.

It is an arithmetic number, because the mean of its divisors is an integer number (659766232125).

Almost surely, 2^{21322042134632} is an apocalyptic number.

It is an amenable number.

21322042134632 is a deficient number, since it is larger than the sum of its proper divisors (20902996721368).

21322042134632 is a wasteful number, since it uses less digits than its factorization.

21322042134632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54258 (or 54254 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 21322042134632 its reverse (23643124022312), we get a palindrome (44965166156944).

The spelling of 21322042134632 in words is "twenty-one trillion, three hundred twenty-two billion, forty-two million, one hundred thirty-four thousand, six hundred thirty-two".