201011201111 has 16 divisors (see below), whose sum is σ = 231432230400. Its totient is φ = 171017021088.

The previous prime is 201011201107. The next prime is 201011201161. The reversal of 201011201111 is 111102110102.

It is a cyclic number.

It is not a de Polignac number, because 201011201111 - 2² = 201011201107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201011201092 and 201011201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011201161) 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, 4778870 + ... + 4820748.

It is an arithmetic number, because the mean of its divisors is an integer number (14464514400).

Almost surely, 2^201011201111 is an apocalyptic number.

201011201111 is a deficient number, since it is larger than the sum of its proper divisors (30421029289).

201011201111 is a wasteful number, since it uses less digits than its factorization.

201011201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46958.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201011201111 its reverse (111102110102), we get a palindrome (312113311213).

The spelling of 201011201111 in words is "two hundred one billion, eleven million, two hundred one thousand, one hundred eleven".