11122203111 has 4 divisors (see below), whose sum is σ = 14829604152. Its totient is φ = 7414802072.

The previous prime is 11122203073. The next prime is 11122203133. The reversal of 11122203111 is 11130222111.

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 11122203111 - 2⁷ = 11122202983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122203151) 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, 1853700516 + ... + 1853700521.

It is an arithmetic number, because the mean of its divisors is an integer number (3707401038).

Almost surely, 2^11122203111 is an apocalyptic number.

11122203111 is a deficient number, since it is larger than the sum of its proper divisors (3707401041).

11122203111 is an equidigital number, since it uses as much as digits as its factorization.

11122203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707401040.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11122203111 its reverse (11130222111), we get a palindrome (22252425222).

The spelling of 11122203111 in words is "eleven billion, one hundred twenty-two million, two hundred three thousand, one hundred eleven".