1111109213 has 8 divisors (see below), whose sum is σ = 1114685088. Its totient is φ = 1107540144.

The previous prime is 1111109203. The next prime is 1111109221. The reversal of 1111109213 is 3129011111.

It is a happy number.

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 1111109213 - 2¹² = 1111105117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111109203) 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, 682106 + ... + 683732.

It is an arithmetic number, because the mean of its divisors is an integer number (139335636).

Almost surely, 2^1111109213 is an apocalyptic number.

It is an amenable number.

1111109213 is a deficient number, since it is larger than the sum of its proper divisors (3575875).

1111109213 is a wasteful number, since it uses less digits than its factorization.

1111109213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403.

The product of its (nonzero) digits is 54, while the sum is 20.

The square root of 1111109213 is about 33333.3048616545. The cubic root of 1111109213 is about 1035.7435788637.

The spelling of 1111109213 in words is "one billion, one hundred eleven million, one hundred nine thousand, two hundred thirteen".