11130203011 has 8 divisors (see below), whose sum is σ = 11328903360.
Its totient is φ = 10932460968.
The previous prime is 11130203003. The next prime is 11130203027. The reversal of 11130203011 is 11030203111.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11130203011 - 23 = 11130203003 is a prime.
It is a super-2 number, since 2×111302030112 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11130202982 and 11130203000.
It is not an unprimeable number, because it can be changed into a prime (11130203111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216121 + ... + 262618.
It is an arithmetic number, because the mean of its divisors is an integer number (1416112920).
Almost surely, 211130203011 is an apocalyptic number.
11130203011 is a deficient number, since it is larger than the sum of its proper divisors (198700349).
11130203011 is an equidigital number, since it uses as much as digits as its factorization.
11130203011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479153.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 11130203011 its reverse (11030203111), we get a palindrome (22160406122).
The spelling of 11130203011 in words is "eleven billion, one hundred thirty million, two hundred three thousand, eleven".