201116112144 has 20 divisors (see below), whose sum is σ = 519549956496. Its totient is φ = 67038704032.

The previous prime is 201116112143. The next prime is 201116112149. The reversal of 201116112144 is 441211611102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (201116112143) 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, 2094959454 + ... + 2094959549.

Almost surely, 2^201116112144 is an apocalyptic number.

201116112144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201116112144 is an abundant number, since it is smaller than the sum of its proper divisors (318433844352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201116112144 is a wasteful number, since it uses less digits than its factorization.

201116112144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189919014 (or 4189919008 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 201116112144 its reverse (441211611102), we get a palindrome (642327723246).

The spelling of 201116112144 in words is "two hundred one billion, one hundred sixteen million, one hundred twelve thousand, one hundred forty-four".