1121120021141 has 4 divisors (see below), whose sum is σ = 1124295998892. Its totient is φ = 1117944043392.

The previous prime is 1121120021123. The next prime is 1121120021159. The reversal of 1121120021141 is 1411200211211.

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

It is an interprime number because it is at equal distance from previous prime (1121120021123) and next prime (1121120021159).

It can be written as a sum of positive squares in 2 ways, for example, as 690429708241 + 430690312900 = 830921^2 + 656270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121120021141 - 2²² = 1121115826837 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 (1121120021111) 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, 1587988346 + ... + 1587989051.

It is an arithmetic number, because the mean of its divisors is an integer number (281073999723).

Almost surely, 2^{1121120021141} is an apocalyptic number.

It is an amenable number.

1121120021141 is a deficient number, since it is larger than the sum of its proper divisors (3175977751).

1121120021141 is an equidigital number, since it uses as much as digits as its factorization.

1121120021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175977750.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121120021141 its reverse (1411200211211), we get a palindrome (2532320232352).

The spelling of 1121120021141 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, twenty-one thousand, one hundred forty-one".