11130122231 has 4 divisors (see below), whose sum is σ = 11489158464. Its totient is φ = 10771086000.

The previous prime is 11130122203. The next prime is 11130122273. The reversal of 11130122231 is 13222103111.

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 11130122231 - 2⁶ = 11130122167 is a prime.

It is a super-3 number, since 3×11130122231³ (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 (11130121231) 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, 179518070 + ... + 179518131.

It is an arithmetic number, because the mean of its divisors is an integer number (2872289616).

Almost surely, 2^11130122231 is an apocalyptic number.

11130122231 is a deficient number, since it is larger than the sum of its proper divisors (359036233).

11130122231 is an equidigital number, since it uses as much as digits as its factorization.

11130122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359036232.

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

Adding to 11130122231 its reverse (13222103111), we get a palindrome (24352225342).

The spelling of 11130122231 in words is "eleven billion, one hundred thirty million, one hundred twenty-two thousand, two hundred thirty-one".