1112020199 has 4 divisors (see below), whose sum is σ = 1112088936. Its totient is φ = 1111951464.

The previous prime is 1112020193. The next prime is 1112020213. The reversal of 1112020199 is 9910202111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9910202111 = 1123 ⋅8824757.

It is a cyclic number.

It is not a de Polignac number, because 1112020199 - 2¹⁶ = 1111954663 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 (1112020193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4712 + ... + 47394.

It is an arithmetic number, because the mean of its divisors is an integer number (278022234).

Almost surely, 2^1112020199 is an apocalyptic number.

1112020199 is a deficient number, since it is larger than the sum of its proper divisors (68737).

1112020199 is an equidigital number, since it uses as much as digits as its factorization.

1112020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68736.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1112020199 is about 33346.9668635695. The cubic root of 1112020199 is about 1036.0265663919.

The spelling of 1112020199 in words is "one billion, one hundred twelve million, twenty thousand, one hundred ninety-nine".