11204140111 has 4 divisors (see below), whose sum is σ = 11590489800. Its totient is φ = 10817790424.

The previous prime is 11204140109. The next prime is 11204140127. The reversal of 11204140111 is 11104140211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11104140211 = 71 ⋅156396341.

It is not a de Polignac number, because 11204140111 - 2¹ = 11204140109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204140141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193174801 + ... + 193174858.

It is an arithmetic number, because the mean of its divisors is an integer number (2897622450).

Almost surely, 2^11204140111 is an apocalyptic number.

11204140111 is a deficient number, since it is larger than the sum of its proper divisors (386349689).

11204140111 is an equidigital number, since it uses as much as digits as its factorization.

11204140111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386349688.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11204140111 its reverse (11104140211), we get a palindrome (22308280322).

The spelling of 11204140111 in words is "eleven billion, two hundred four million, one hundred forty thousand, one hundred eleven".