201112156 has 24 divisors (see below), whose sum is σ = 402524640. Its totient is φ = 86126592.

The previous prime is 201112111. The next prime is 201112189. The reversal of 201112156 is 651211102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71676 + ... + 74428.

It is an arithmetic number, because the mean of its divisors is an integer number (16771860).

Almost surely, 2^201112156 is an apocalyptic number.

It is an amenable number.

201112156 is an abundant number, since it is smaller than the sum of its proper divisors (201412484).

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

201112156 is a wasteful number, since it uses less digits than its factorization.

201112156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373 (or 5371 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 201112156 is about 14181.4017642827. The cubic root of 201112156 is about 585.8855325113.

Adding to 201112156 its reverse (651211102), we get a palindrome (852323258).

The spelling of 201112156 in words is "two hundred one million, one hundred twelve thousand, one hundred fifty-six".