201003111192 has 128 divisors (see below), whose sum is σ = 564914165760. Its totient is φ = 59134732800.

The previous prime is 201003111149. The next prime is 201003111209. The reversal of 201003111192 is 291111300102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28104817 + ... + 28111967.

It is an arithmetic number, because the mean of its divisors is an integer number (4413391920).

Almost surely, 2^201003111192 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 201003111192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282457082880).

201003111192 is an abundant number, since it is smaller than the sum of its proper divisors (363911054568).

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

201003111192 is a wasteful number, since it uses less digits than its factorization.

201003111192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113 (or 11109 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 201003111192 its reverse (291111300102), we get a palindrome (492114411294).

The spelling of 201003111192 in words is "two hundred one billion, three million, one hundred eleven thousand, one hundred ninety-two".