201112012100001 has 16 divisors (see below), whose sum is σ = 280145541663360. Its totient is φ = 128090642169600.

The previous prime is 201112012099931. The next prime is 201112012100009. The reversal of 201112012100001 is 100001210211102.

It is not a de Polignac number, because 201112012100001 - 2¹⁷ = 201112011968929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201112012100001.

It is not an unprimeable number, because it can be changed into a prime (201112012100009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757884200 + ... + 1757998601.

It is an arithmetic number, because the mean of its divisors is an integer number (17509096353960).

Almost surely, 2^{201112012100001} is an apocalyptic number.

It is an amenable number.

201112012100001 is a deficient number, since it is larger than the sum of its proper divisors (79033529563359).

201112012100001 is a wasteful number, since it uses less digits than its factorization.

201112012100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515883656.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201112012100001 its reverse (100001210211102), we get a palindrome (301113222311103).

The spelling of 201112012100001 in words is "two hundred one trillion, one hundred twelve billion, twelve million, one hundred thousand, one".