201112003144 has 128 divisors (see below), whose sum is σ = 433550607840. Its totient is φ = 86638067712.

The previous prime is 201112003019. The next prime is 201112003193. The reversal of 201112003144 is 441300211102.

It can be written as a sum of positive squares in 16 ways, for example, as 95722172100 + 105389831044 = 309390^2 + 324638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205845984 + ... + 205846960.

Almost surely, 2^201112003144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201112003144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216775303920).

201112003144 is an abundant number, since it is smaller than the sum of its proper divisors (232438604696).

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

201112003144 is a wasteful number, since it uses less digits than its factorization.

201112003144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201112003144 its reverse (441300211102), we get a palindrome (642412214246).

The spelling of 201112003144 in words is "two hundred one billion, one hundred twelve million, three thousand, one hundred forty-four".