11002123231 has 8 divisors (see below), whose sum is σ = 12389488128. Its totient is φ = 9679287000.

The previous prime is 11002123207. The next prime is 11002123267. The reversal of 11002123231 is 13232120011.

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 11002123231 - 2²⁵ = 10968568799 is a prime.

It is a super-3 number, since 3×11002123231³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002127231) 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, 16131805 + ... + 16132486.

It is an arithmetic number, because the mean of its divisors is an integer number (1548686016).

Almost surely, 2^11002123231 is an apocalyptic number.

11002123231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11002123231 is a deficient number, since it is larger than the sum of its proper divisors (1387364897).

11002123231 is a wasteful number, since it uses less digits than its factorization.

11002123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32264333.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11002123231 its reverse (13232120011), we get a palindrome (24234243242).

The spelling of 11002123231 in words is "eleven billion, two million, one hundred twenty-three thousand, two hundred thirty-one".