11123333011 has 4 divisors (see below), whose sum is σ = 12712380592. Its totient is φ = 9534285432.

The previous prime is 11123332999. The next prime is 11123333027. The reversal of 11123333011 is 11033332111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11123333011 - 2¹³ = 11123324819 is a prime.

It is a super-2 number, since 2×11123333011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11123333011.

It is not an unprimeable number, because it can be changed into a prime (11123333411) 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, 794523780 + ... + 794523793.

It is an arithmetic number, because the mean of its divisors is an integer number (3178095148).

Almost surely, 2^11123333011 is an apocalyptic number.

11123333011 is a deficient number, since it is larger than the sum of its proper divisors (1589047581).

11123333011 is an equidigital number, since it uses as much as digits as its factorization.

11123333011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589047580.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11123333011 its reverse (11033332111), we get a palindrome (22156665122).

The spelling of 11123333011 in words is "eleven billion, one hundred twenty-three million, three hundred thirty-three thousand, eleven".