11130321111 has 32 divisors (see below), whose sum is σ = 18689932800. Its totient is φ = 5734399104.

The previous prime is 11130321109. The next prime is 11130321131. The reversal of 11130321111 is 11112303111.

It is not a de Polignac number, because 11130321111 - 2¹ = 11130321109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130321101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462336 + ... + 485813.

It is an arithmetic number, because the mean of its divisors is an integer number (584060400).

Almost surely, 2^11130321111 is an apocalyptic number.

11130321111 is a deficient number, since it is larger than the sum of its proper divisors (7559611689).

11130321111 is a wasteful number, since it uses less digits than its factorization.

11130321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948215.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11130321111 its reverse (11112303111), we get a palindrome (22242624222).

The spelling of 11130321111 in words is "eleven billion, one hundred thirty million, three hundred twenty-one thousand, one hundred eleven".