201044421131 has 4 divisors (see below), whose sum is σ = 201272622264. Its totient is φ = 200816220000.

The previous prime is 201044421119. The next prime is 201044421173. The reversal of 201044421131 is 131124440102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131124440102 = 2 ⋅65562220051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201044421131 is a prime.

It is a super-2 number, since 2×201044421131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201044421097 and 201044421106.

It is not an unprimeable number, because it can be changed into a prime (201044421181) 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, 114099245 + ... + 114101006.

It is an arithmetic number, because the mean of its divisors is an integer number (50318155566).

Almost surely, 2^201044421131 is an apocalyptic number.

201044421131 is a deficient number, since it is larger than the sum of its proper divisors (228201133).

201044421131 is an equidigital number, since it uses as much as digits as its factorization.

201044421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228201132.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201044421131 its reverse (131124440102), we get a palindrome (332168861233).

The spelling of 201044421131 in words is "two hundred one billion, forty-four million, four hundred twenty-one thousand, one hundred thirty-one".