11112321111 has 8 divisors (see below), whose sum is σ = 15216872304. Its totient is φ = 7207992000.

The previous prime is 11112321089. The next prime is 11112321137.

11112321111 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11112321111 - 2⁵ = 11112321079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112321151) 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, 50055390 + ... + 50055611.

It is an arithmetic number, because the mean of its divisors is an integer number (1902109038).

Almost surely, 2^11112321111 is an apocalyptic number.

11112321111 is a deficient number, since it is larger than the sum of its proper divisors (4104551193).

11112321111 is a wasteful number, since it uses less digits than its factorization.

11112321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100111041.

The product of its digits is 12, while the sum is 15.

The spelling of 11112321111 in words is "eleven billion, one hundred twelve million, three hundred twenty-one thousand, one hundred eleven".