201110101012111 has 4 divisors (see below), whose sum is σ = 201110614268824. Its totient is φ = 201109587755400.

The previous prime is 201110101012103. The next prime is 201110101012243. The reversal of 201110101012111 is 111210101011102.

201110101012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201110101012111 - 2³ = 201110101012103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110101012091 and 201110101012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110101013111) 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, 256040160 + ... + 256824421.

It is an arithmetic number, because the mean of its divisors is an integer number (50277653567206).

Almost surely, 2^{201110101012111} is an apocalyptic number.

201110101012111 is a deficient number, since it is larger than the sum of its proper divisors (513256713).

201110101012111 is an equidigital number, since it uses as much as digits as its factorization.

201110101012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513256712.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 201110101012111 its reverse (111210101011102), we get a palindrome (312320202023213).

The spelling of 201110101012111 in words is "two hundred one trillion, one hundred ten billion, one hundred one million, twelve thousand, one hundred eleven".