21202230212332 has 24 divisors (see below), whose sum is σ = 39961634342000. Its totient is φ = 9784766730816.

The previous prime is 21202230212321. The next prime is 21202230212341. The reversal of 21202230212332 is 23321203220212.

It is a junction number, because it is equal to n+sod(n) for n = 21202230212297 and 21202230212306.

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 7 ways as a sum of consecutive naturals, for example, 17705982 + ... + 18865477.

Almost surely, 2^{21202230212332} is an apocalyptic number.

It is an amenable number.

21202230212332 is a deficient number, since it is larger than the sum of its proper divisors (18759404129668).

21202230212332 is a wasteful number, since it uses less digits than its factorization.

21202230212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36582625 (or 36582623 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21202230212332 its reverse (23321203220212), we get a palindrome (44523433432544).

The spelling of 21202230212332 in words is "twenty-one trillion, two hundred two billion, two hundred thirty million, two hundred twelve thousand, three hundred thirty-two".