113111211 has 8 divisors (see below), whose sum is σ = 151352784. Its totient is φ = 75138560.

The previous prime is 113111203. The next prime is 113111221. The reversal of 113111211 is 112111311.

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 113111211 - 2³ = 113111203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66246 + ... + 67931.

It is an arithmetic number, because the mean of its divisors is an integer number (18919098).

Almost surely, 2^113111211 is an apocalyptic number.

113111211 is a deficient number, since it is larger than the sum of its proper divisors (38241573).

113111211 is a wasteful number, since it uses less digits than its factorization.

113111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134461.

The product of its digits is 6, while the sum is 12.

The square root of 113111211 is about 10635.3754517647. The cubic root of 113111211 is about 483.6173622965.

Adding to 113111211 its reverse (112111311), we get a palindrome (225222522).

The spelling of 113111211 in words is "one hundred thirteen million, one hundred eleven thousand, two hundred eleven".