201132242421 has 16 divisors (see below), whose sum is σ = 292656697920. Its totient is φ = 121856366720.

The previous prime is 201132242417. The next prime is 201132242431. The reversal of 201132242421 is 124242231102.

It is not a de Polignac number, because 201132242421 - 2² = 201132242417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201132242391 and 201132242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201132242431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951600 + ... + 1143593.

It is an arithmetic number, because the mean of its divisors is an integer number (18291043620).

Almost surely, 2^201132242421 is an apocalyptic number.

It is an amenable number.

201132242421 is a deficient number, since it is larger than the sum of its proper divisors (91524455499).

201132242421 is a wasteful number, since it uses less digits than its factorization.

201132242421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098116.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 201132242421 its reverse (124242231102), we get a palindrome (325374473523).

The spelling of 201132242421 in words is "two hundred one billion, one hundred thirty-two million, two hundred forty-two thousand, four hundred twenty-one".