201132123321 has 24 divisors (see below), whose sum is σ = 287603676864. Its totient is φ = 124791670080.

The previous prime is 201132123317. The next prime is 201132123337. The reversal of 201132123321 is 123321231102.

201132123321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201132123321 - 2² = 201132123317 is a prime.

It is a super-2 number, since 2×201132123321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201132123421) 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, 970170 + ... + 1159091.

It is an arithmetic number, because the mean of its divisors is an integer number (11983486536).

Almost surely, 2^201132123321 is an apocalyptic number.

It is an amenable number.

201132123321 is a deficient number, since it is larger than the sum of its proper divisors (86471553543).

201132123321 is a wasteful number, since it uses less digits than its factorization.

201132123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129361 (or 2129324 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201132123321 its reverse (123321231102), we get a palindrome (324453354423).

The spelling of 201132123321 in words is "two hundred one billion, one hundred thirty-two million, one hundred twenty-three thousand, three hundred twenty-one".