21203201011032 has 96 divisors (see below), whose sum is σ = 60804507816000. Its totient is φ = 6651852168192.

The previous prime is 21203201011019. The next prime is 21203201011037. The reversal of 21203201011032 is 23011010230212.

21203201011032 is a `hidden beast` number, since 212 + 0 + 320 + 101 + 1 + 0 + 32 = 666.

It is a super-3 number, since 3×21203201011032³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21203201010996 and 21203201011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21203201011037) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 74530594 + ... + 74814542.

It is an arithmetic number, because the mean of its divisors is an integer number (633380289750).

Almost surely, 2^{21203201011032} is an apocalyptic number.

It is an amenable number.

21203201011032 is an abundant number, since it is smaller than the sum of its proper divisors (39601306804968).

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

21203201011032 is a wasteful number, since it uses less digits than its factorization.

21203201011032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344985 (or 344978 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21203201011032 its reverse (23011010230212), we get a palindrome (44214211241244).

The spelling of 21203201011032 in words is "twenty-one trillion, two hundred three billion, two hundred one million, eleven thousand, thirty-two".