21000001102332 has 72 divisors (see below), whose sum is σ = 57000943730304. Its totient is φ = 5999901290208.

The previous prime is 21000001102303. The next prime is 21000001102351. The reversal of 21000001102332 is 23320110000012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40056963 + ... + 40577829.

It is an arithmetic number, because the mean of its divisors is an integer number (791679774032).

Almost surely, 2^{21000001102332} is an apocalyptic number.

It is an amenable number.

21000001102332 is an abundant number, since it is smaller than the sum of its proper divisors (36000942627972).

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

21000001102332 is a wasteful number, since it uses less digits than its factorization.

21000001102332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589455 (or 589446 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21000001102332 its reverse (23320110000012), we get a palindrome (44320111102344).

The spelling of 21000001102332 in words is "twenty-one trillion, one million, one hundred two thousand, three hundred thirty-two".