1121121030199 has 4 divisors (see below), whose sum is σ = 1121767956936. Its totient is φ = 1120474103464.

The previous prime is 1121121030187. The next prime is 1121121030229. The reversal of 1121121030199 is 9910301211211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121121030199 - 2⁵ = 1121121030167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121121030199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121030149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323460769 + ... + 323464234.

It is an arithmetic number, because the mean of its divisors is an integer number (280441989234).

Almost surely, 2^{1121121030199} is an apocalyptic number.

1121121030199 is a deficient number, since it is larger than the sum of its proper divisors (646926737).

1121121030199 is an equidigital number, since it uses as much as digits as its factorization.

1121121030199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646926736.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 1121121030199 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, thirty thousand, one hundred ninety-nine".