1111113211 has 8 divisors (see below), whose sum is σ = 1196869520. Its totient is φ = 1025397792.

The previous prime is 1111113197. The next prime is 1111113239. The reversal of 1111113211 is 1123111111.

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 1111113211 - 2⁷ = 1111113083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111113191 and 1111113200.

It is not an unprimeable number, because it can be changed into a prime (1111113271) 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, 69016 + ... + 83578.

It is an arithmetic number, because the mean of its divisors is an integer number (149608690).

Almost surely, 2^1111113211 is an apocalyptic number.

1111113211 is a deficient number, since it is larger than the sum of its proper divisors (85756309).

1111113211 is a wasteful number, since it uses less digits than its factorization.

1111113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445.

The product of its digits is 6, while the sum is 13.

The square root of 1111113211 is about 33333.3648316518. The cubic root of 1111113211 is about 1035.7448211352.

Adding to 1111113211 its reverse (1123111111), we get a palindrome (2234224322).

The spelling of 1111113211 in words is "one billion, one hundred eleven million, one hundred thirteen thousand, two hundred eleven".