11121002243 has 24 divisors (see below), whose sum is σ = 12531008448. Its totient is φ = 9857183232.

The previous prime is 11121002219. The next prime is 11121002261. The reversal of 11121002243 is 34220012111.

It is not a de Polignac number, because 11121002243 - 2⁸ = 11121001987 is a prime.

It is a super-2 number, since 2×11121002243² (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 (11121002203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407771 + ... + 434187.

It is an arithmetic number, because the mean of its divisors is an integer number (522125352).

Almost surely, 2^11121002243 is an apocalyptic number.

11121002243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11121002243 is a deficient number, since it is larger than the sum of its proper divisors (1410006205).

11121002243 is a wasteful number, since it uses less digits than its factorization.

11121002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26543 (or 26530 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11121002243 its reverse (34220012111), we get a palindrome (45341014354).

The spelling of 11121002243 in words is "eleven billion, one hundred twenty-one million, two thousand, two hundred forty-three".