21003201132 has 24 divisors (see below), whose sum is σ = 49678806576. Its totient is φ = 6905161728.

The previous prime is 21003201113. The next prime is 21003201137. The reversal of 21003201132 is 23110230012.

It is a super-2 number, since 2×21003201132² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21003201137) 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 7 ways as a sum of consecutive naturals, for example, 11987253 + ... + 11989004.

It is an arithmetic number, because the mean of its divisors is an integer number (2069950274).

Almost surely, 2^21003201132 is an apocalyptic number.

It is an amenable number.

21003201132 is an abundant number, since it is smaller than the sum of its proper divisors (28675605444).

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

21003201132 is a wasteful number, since it uses less digits than its factorization.

21003201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23976337 (or 23976335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21003201132 its reverse (23110230012), we get a palindrome (44113431144).

The spelling of 21003201132 in words is "twenty-one billion, three million, two hundred one thousand, one hundred thirty-two".