11120223131 has 4 divisors (see below), whose sum is σ = 11276846064. Its totient is φ = 10963600200.

The previous prime is 11120223083. The next prime is 11120223137. The reversal of 11120223131 is 13132202111.

11120223131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11120223131 - 2²² = 11116028827 is a prime.

It is a super-2 number, since 2×11120223131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120223137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78311360 + ... + 78311501.

It is an arithmetic number, because the mean of its divisors is an integer number (2819211516).

Almost surely, 2^11120223131 is an apocalyptic number.

11120223131 is a deficient number, since it is larger than the sum of its proper divisors (156622933).

11120223131 is an equidigital number, since it uses as much as digits as its factorization.

11120223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156622932.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11120223131 its reverse (13132202111), we get a palindrome (24252425242).

The spelling of 11120223131 in words is "eleven billion, one hundred twenty million, two hundred twenty-three thousand, one hundred thirty-one".