83112111 has 6 divisors (see below), whose sum is σ = 120050840. Its totient is φ = 55408068.

The previous prime is 83112097. The next prime is 83112119. The reversal of 83112111 is 11121138.

It is a happy number.

It is not a de Polignac number, because 83112111 - 2⁵ = 83112079 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 (83112119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4617331 + ... + 4617348.

Almost surely, 2^83112111 is an apocalyptic number.

83112111 is a deficient number, since it is larger than the sum of its proper divisors (36938729).

83112111 is a wasteful number, since it uses less digits than its factorization.

83112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9234685 (or 9234682 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

The square root of 83112111 is about 9116.5843932912. The cubic root of 83112111 is about 436.4033788258.

Adding to 83112111 its reverse (11121138), we get a palindrome (94233249).

The spelling of 83112111 in words is "eighty-three million, one hundred twelve thousand, one hundred eleven".