201100421331 has 10 divisors (see below), whose sum is σ = 300409271492. Its totient is φ = 134066947500.

The previous prime is 201100421311. The next prime is 201100421393. The reversal of 201100421331 is 133124001102.

201100421331 is a `hidden beast` number, since 201 + 10 + 0 + 421 + 3 + 31 = 666.

201100421331 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 201100421331 - 2⁶ = 201100421267 is a prime.

It is a super-2 number, since 2×201100421331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100421311) 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 9 ways as a sum of consecutive naturals, for example, 1241360545 + ... + 1241360706.

Almost surely, 2^201100421331 is an apocalyptic number.

201100421331 is a deficient number, since it is larger than the sum of its proper divisors (99308850161).

201100421331 is an equidigital number, since it uses as much as digits as its factorization.

201100421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482721263 (or 2482721254 counting only the distinct ones).

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

Adding to 201100421331 its reverse (133124001102), we get a palindrome (334224422433).

The spelling of 201100421331 in words is "two hundred one billion, one hundred million, four hundred twenty-one thousand, three hundred thirty-one".