21203331033032 has 16 divisors (see below), whose sum is σ = 39962236600140. Its totient is φ = 10546734606336.

The previous prime is 21203331032957. The next prime is 21203331033061. The reversal of 21203331033032 is 23033013330212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17094139864036 + 4109191168996 = 4134506^2 + 2027114^2 .

It is a super-2 number, since 2×21203331033032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21203331032992 and 21203331033010.

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 3 ways as a sum of consecutive naturals, for example, 6866362133 + ... + 6866365220.

Almost surely, 2^{21203331033032} is an apocalyptic number.

It is an amenable number.

21203331033032 is a deficient number, since it is larger than the sum of its proper divisors (18758905567108).

21203331033032 is a wasteful number, since it uses less digits than its factorization.

21203331033032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732727552 (or 13732727548 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 21203331033032 its reverse (23033013330212), we get a palindrome (44236344363244).

The spelling of 21203331033032 in words is "twenty-one trillion, two hundred three billion, three hundred thirty-one million, thirty-three thousand, thirty-two".