1111312211 has 8 divisors (see below), whose sum is σ = 1147599744. Its totient is φ = 1075052160.

The previous prime is 1111312201. The next prime is 1111312247. The reversal of 1111312211 is 1122131111.

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 1111312211 - 2¹⁸ = 1111050067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111312201) 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, 103931 + ... + 114123.

It is an arithmetic number, because the mean of its divisors is an integer number (143449968).

Almost surely, 2^1111312211 is an apocalyptic number.

1111312211 is a deficient number, since it is larger than the sum of its proper divisors (36287533).

1111312211 is a wasteful number, since it uses less digits than its factorization.

1111312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13741.

The product of its digits is 12, while the sum is 14.

The square root of 1111312211 is about 33336.3496951901. The cubic root of 1111312211 is about 1035.8066512930.

Adding to 1111312211 its reverse (1122131111), we get a palindrome (2233443322).

The spelling of 1111312211 in words is "one billion, one hundred eleven million, three hundred twelve thousand, two hundred eleven".