1112201999966 has 4 divisors (see below), whose sum is σ = 1668302999952. Its totient is φ = 556100999982.

The previous prime is 1112201999921. The next prime is 1112201999989. The reversal of 1112201999966 is 6699991022111.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278050499990 + ... + 278050499993.

It is an arithmetic number, because the mean of its divisors is an integer number (417075749988).

Almost surely, 2^{1112201999966} is an apocalyptic number.

1112201999966 is a deficient number, since it is larger than the sum of its proper divisors (556100999986).

1112201999966 is an equidigital number, since it uses as much as digits as its factorization.

1112201999966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556100999985.

The product of its (nonzero) digits is 944784, while the sum is 56.

The spelling of 1112201999966 in words is "one trillion, one hundred twelve billion, two hundred one million, nine hundred ninety-nine thousand, nine hundred sixty-six".