112020199966 has 4 divisors (see below), whose sum is σ = 168030299952. Its totient is φ = 56010099982.

The previous prime is 112020199937. The next prime is 112020199969. The reversal of 112020199966 is 669991020211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020199969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28005049990 + ... + 28005049993.

It is an arithmetic number, because the mean of its divisors is an integer number (42007574988).

Almost surely, 2^112020199966 is an apocalyptic number.

112020199966 is a deficient number, since it is larger than the sum of its proper divisors (56010099986).

112020199966 is an equidigital number, since it uses as much as digits as its factorization.

112020199966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56010099985.

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 112020199966 in words is "one hundred twelve billion, twenty million, one hundred ninety-nine thousand, nine hundred sixty-six".