201111011101 has 96 divisors (see below), whose sum is σ = 289762099200. Its totient is φ = 137003529600.

The previous prime is 201111011089. The next prime is 201111011113. The reversal of 201111011101 is 101110111102.

It is an interprime number because it is at equal distance from previous prime (201111011089) and next prime (201111011113).

It is not a de Polignac number, because 201111011101 - 2¹⁹ = 201110486813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111011201) 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 95 ways as a sum of consecutive naturals, for example, 10199350 + ... + 10219048.

It is an arithmetic number, because the mean of its divisors is an integer number (3018355200).

Almost surely, 2^201111011101 is an apocalyptic number.

It is an amenable number.

201111011101 is a deficient number, since it is larger than the sum of its proper divisors (88651088099).

201111011101 is a wasteful number, since it uses less digits than its factorization.

201111011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19815 (or 19808 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 201111011101 its reverse (101110111102), we get a palindrome (302221122203).

The spelling of 201111011101 in words is "two hundred one billion, one hundred eleven million, eleven thousand, one hundred one".