201012112011111 has 4 divisors (see below), whose sum is σ = 268016149348152. Its totient is φ = 134008074674072.

The previous prime is 201012112011089. The next prime is 201012112011143. The reversal of 201012112011111 is 111110211210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201012112011111 - 2¹¹ = 201012112009063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012112011181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33502018668516 + ... + 33502018668521.

It is an arithmetic number, because the mean of its divisors is an integer number (67004037337038).

Almost surely, 2^{201012112011111} is an apocalyptic number.

201012112011111 is a deficient number, since it is larger than the sum of its proper divisors (67004037337041).

201012112011111 is an equidigital number, since it uses as much as digits as its factorization.

201012112011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67004037337040.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201012112011111 its reverse (111110211210102), we get a palindrome (312122323221213).

The spelling of 201012112011111 in words is "two hundred one trillion, twelve billion, one hundred twelve million, eleven thousand, one hundred eleven".