1121311111341 has 16 divisors (see below), whose sum is σ = 1498235054400. Its totient is φ = 745964177280.

The previous prime is 1121311111331. The next prime is 1121311111411. The reversal of 1121311111341 is 1431111131211.

It is not a de Polignac number, because 1121311111341 - 2³⁵ = 1086951372973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121311111331) 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, 40418511 + ... + 40446243.

It is an arithmetic number, because the mean of its divisors is an integer number (93639690900).

Almost surely, 2^{1121311111341} is an apocalyptic number.

It is an amenable number.

1121311111341 is a deficient number, since it is larger than the sum of its proper divisors (376923943059).

1121311111341 is a wasteful number, since it uses less digits than its factorization.

1121311111341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55676.

The product of its digits is 72, while the sum is 21.

Adding to 1121311111341 its reverse (1431111131211), we get a palindrome (2552422242552).

The spelling of 1121311111341 in words is "one trillion, one hundred twenty-one billion, three hundred eleven million, one hundred eleven thousand, three hundred forty-one".