201110102201111 has 4 divisors (see below), whose sum is σ = 201540744818712. Its totient is φ = 200679459583512.

The previous prime is 201110102201051. The next prime is 201110102201159. The reversal of 201110102201111 is 111102201011102.

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 201110102201111 - 2¹⁰ = 201110102200087 is a prime.

It is a super-2 number, since 2×201110102201111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110102203111) 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, 215321308100 + ... + 215321309033.

It is an arithmetic number, because the mean of its divisors is an integer number (50385186204678).

Almost surely, 2^{201110102201111} is an apocalyptic number.

201110102201111 is a deficient number, since it is larger than the sum of its proper divisors (430642617601).

201110102201111 is an equidigital number, since it uses as much as digits as its factorization.

201110102201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430642617600.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201110102201111 its reverse (111102201011102), we get a palindrome (312212303212213).

The spelling of 201110102201111 in words is "two hundred one trillion, one hundred ten billion, one hundred two million, two hundred one thousand, one hundred eleven".