1120211121109 has 4 divisors (see below), whose sum is σ = 1120256903980. Its totient is φ = 1120165338240.

The previous prime is 1120211121041. The next prime is 1120211121137. The reversal of 1120211121109 is 9011211120211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42881298084 + 1077329823025 = 207078^2 + 1037945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120211121109 - 2⁹ = 1120211120597 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 1120211121109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120217121109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22854714 + ... + 22903675.

It is an arithmetic number, because the mean of its divisors is an integer number (280064225995).

Almost surely, 2^{1120211121109} is an apocalyptic number.

It is an amenable number.

1120211121109 is a deficient number, since it is larger than the sum of its proper divisors (45782871).

1120211121109 is an equidigital number, since it uses as much as digits as its factorization.

1120211121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45782870.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 1120211121109 in words is "one trillion, one hundred twenty billion, two hundred eleven million, one hundred twenty-one thousand, one hundred nine".