201331001112 has 16 divisors (see below), whose sum is σ = 503327502840. Its totient is φ = 67110333696.

The previous prime is 201331001089. The next prime is 201331001141. The reversal of 201331001112 is 211100133102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201331001091 and 201331001100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4194395833 + ... + 4194395880.

Almost surely, 2^201331001112 is an apocalyptic number.

It is an amenable number.

201331001112 is an abundant number, since it is smaller than the sum of its proper divisors (301996501728).

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

201331001112 is a wasteful number, since it uses less digits than its factorization.

201331001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388791722 (or 8388791718 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201331001112 its reverse (211100133102), we get a palindrome (412431134214).

The spelling of 201331001112 in words is "two hundred one billion, three hundred thirty-one million, one thousand, one hundred twelve".