21022002230332 has 12 divisors (see below), whose sum is σ = 37412037867960. Its totient is φ = 10332848553776.

The previous prime is 21022002230321. The next prime is 21022002230351. The reversal of 21022002230332 is 23303220022012.

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 3 ways as a sum of consecutive naturals, for example, 44538140083 + ... + 44538140554.

It is an arithmetic number, because the mean of its divisors is an integer number (3117669822330).

Almost surely, 2^{21022002230332} is an apocalyptic number.

It is an amenable number.

21022002230332 is a deficient number, since it is larger than the sum of its proper divisors (16390035637628).

21022002230332 is a wasteful number, since it uses less digits than its factorization.

21022002230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89076280700 (or 89076280698 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21022002230332 its reverse (23303220022012), we get a palindrome (44325222252344).

The spelling of 21022002230332 in words is "twenty-one trillion, twenty-two billion, two million, two hundred thirty thousand, three hundred thirty-two".