201072112111 has 16 divisors (see below), whose sum is σ = 219311568000. Its totient is φ = 183229383168.

The previous prime is 201072112099. The next prime is 201072112121. The reversal of 201072112111 is 111211270102.

It is not a de Polignac number, because 201072112111 - 2¹⁵ = 201072079343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201072112121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13813065 + ... + 13827613.

It is an arithmetic number, because the mean of its divisors is an integer number (13706973000).

Almost surely, 2^201072112111 is an apocalyptic number.

201072112111 is a deficient number, since it is larger than the sum of its proper divisors (18239455889).

201072112111 is a wasteful number, since it uses less digits than its factorization.

201072112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28098.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 201072112111 its reverse (111211270102), we get a palindrome (312283382213).

The spelling of 201072112111 in words is "two hundred one billion, seventy-two million, one hundred twelve thousand, one hundred eleven".