1112011111 has 8 divisors (see below), whose sum is σ = 1131876864. Its totient is φ = 1092319200.

The previous prime is 1112011097. The next prime is 1112011141. The reversal of 1112011111 is 1111102111.

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 1112011111 - 2⁷ = 1112010983 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 (1112011141) 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, 30520 + ... + 56173.

It is an arithmetic number, because the mean of its divisors is an integer number (141484608).

Almost surely, 2^1112011111 is an apocalyptic number.

1112011111 is a deficient number, since it is larger than the sum of its proper divisors (19865753).

1112011111 is a wasteful number, since it uses less digits than its factorization.

1112011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86921.

The product of its (nonzero) digits is 2, while the sum is 10.

The square root of 1112011111 is about 33346.8305990239. The cubic root of 1112011111 is about 1036.0237440705.

Adding to 1112011111 its reverse (1111102111), we get a palindrome (2223113222).

The spelling of 1112011111 in words is "one billion, one hundred twelve million, eleven thousand, one hundred eleven".