21113433302132 has 24 divisors (see below), whose sum is σ = 37849924116480. Its totient is φ = 10301894638560.

The previous prime is 21113433302113. The next prime is 21113433302173. The reversal of 21113433302132 is 23120333431112.

It is a junction number, because it is equal to n+sod(n) for n = 21113433302095 and 21113433302104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340640132 + ... + 340702107.

It is an arithmetic number, because the mean of its divisors is an integer number (1577080171520).

Almost surely, 2^{21113433302132} is an apocalyptic number.

It is an amenable number.

21113433302132 is a deficient number, since it is larger than the sum of its proper divisors (16736490814348).

21113433302132 is a wasteful number, since it uses less digits than its factorization.

21113433302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681342431 (or 681342429 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 21113433302132 its reverse (23120333431112), we get a palindrome (44233766733244).

The spelling of 21113433302132 in words is "twenty-one trillion, one hundred thirteen billion, four hundred thirty-three million, three hundred two thousand, one hundred thirty-two".