1121242141241 has 16 divisors (see below), whose sum is σ = 1198226494080. Its totient is φ = 1045485446400.

The previous prime is 1121242141231. The next prime is 1121242141351. The reversal of 1121242141241 is 1421412421211.

It is a happy number.

It is not a de Polignac number, because 1121242141241 - 2¹⁴ = 1121242124857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121242141241.

It is not an unprimeable number, because it can be changed into a prime (1121242141211) 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 15 ways as a sum of consecutive naturals, for example, 18958166 + ... + 19017216.

It is an arithmetic number, because the mean of its divisors is an integer number (74889155880).

Almost surely, 2^{1121242141241} is an apocalyptic number.

It is an amenable number.

1121242141241 is a deficient number, since it is larger than the sum of its proper divisors (76984352839).

1121242141241 is a wasteful number, since it uses less digits than its factorization.

1121242141241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69424.

The product of its digits is 1024, while the sum is 26.

Adding to 1121242141241 its reverse (1421412421211), we get a palindrome (2542654562452).

The spelling of 1121242141241 in words is "one trillion, one hundred twenty-one billion, two hundred forty-two million, one hundred forty-one thousand, two hundred forty-one".