21321312203032 has 32 divisors (see below), whose sum is σ = 40953028470480. Its totient is φ = 10400511063040.

The previous prime is 21321312202997. The next prime is 21321312203057. The reversal of 21321312203032 is 23030221312312.

It is a super-2 number, since 2×21321312203032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21321312202988 and 21321312203006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29435403 + ... + 30151045.

Almost surely, 2^{21321312203032} is an apocalyptic number.

It is an amenable number.

21321312203032 is a deficient number, since it is larger than the sum of its proper divisors (19631716267448).

21321312203032 is a wasteful number, since it uses less digits than its factorization.

21321312203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806523 (or 806519 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21321312203032 its reverse (23030221312312), we get a palindrome (44351533515344).

The spelling of 21321312203032 in words is "twenty-one trillion, three hundred twenty-one billion, three hundred twelve million, two hundred three thousand, thirty-two".