201110232011 has 4 divisors (see below), whose sum is σ = 216580249872. Its totient is φ = 185640214152.

The previous prime is 201110231957. The next prime is 201110232047. The reversal of 201110232011 is 110232011102.

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 201110232011 - 2¹⁴ = 201110215627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201110232061) 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, 7735008911 + ... + 7735008936.

It is an arithmetic number, because the mean of its divisors is an integer number (54145062468).

Almost surely, 2^201110232011 is an apocalyptic number.

201110232011 is a deficient number, since it is larger than the sum of its proper divisors (15470017861).

201110232011 is a wasteful number, since it uses less digits than its factorization.

201110232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15470017860.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201110232011 its reverse (110232011102), we get a palindrome (311342243113).

The spelling of 201110232011 in words is "two hundred one billion, one hundred ten million, two hundred thirty-two thousand, eleven".