201132130132021 has 4 divisors (see below), whose sum is σ = 219416869234944. Its totient is φ = 182847391029100.

The previous prime is 201132130132009. The next prime is 201132130132057. The reversal of 201132130132021 is 120231031231102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201132130132021 - 2¹⁹ = 201132129607733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201132130131983 and 201132130132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201132130132001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9142369551445 + ... + 9142369551466.

It is an arithmetic number, because the mean of its divisors is an integer number (54854217308736).

Almost surely, 2^{201132130132021} is an apocalyptic number.

It is an amenable number.

201132130132021 is a deficient number, since it is larger than the sum of its proper divisors (18284739102923).

201132130132021 is a wasteful number, since it uses less digits than its factorization.

201132130132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18284739102922.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201132130132021 its reverse (120231031231102), we get a palindrome (321363161363123).

The spelling of 201132130132021 in words is "two hundred one trillion, one hundred thirty-two billion, one hundred thirty million, one hundred thirty-two thousand, twenty-one".