1121440414141 has 4 divisors (see below), whose sum is σ = 1142599667292. Its totient is φ = 1100281160992.

The previous prime is 1121440414093. The next prime is 1121440414229. The reversal of 1121440414141 is 1414140441211.

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 718442712100 + 402997702041 = 847610^2 + 634821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121440414141 - 2¹³ = 1121440405949 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 (1121440414441) 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, 10579626496 + ... + 10579626601.

It is an arithmetic number, because the mean of its divisors is an integer number (285649916823).

Almost surely, 2^{1121440414141} is an apocalyptic number.

It is an amenable number.

1121440414141 is a deficient number, since it is larger than the sum of its proper divisors (21159253151).

1121440414141 is an equidigital number, since it uses as much as digits as its factorization.

1121440414141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21159253150.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 1121440414141 its reverse (1414140441211), we get a palindrome (2535580855352).

The spelling of 1121440414141 in words is "one trillion, one hundred twenty-one billion, four hundred forty million, four hundred fourteen thousand, one hundred forty-one".