1133113132121 has 4 divisors (see below), whose sum is σ = 1133115303732. Its totient is φ = 1133110960512.

The previous prime is 1133113132117. The next prime is 1133113132133. The reversal of 1133113132121 is 1212313113311.

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 194074610521 + 939038521600 = 440539^2 + 969040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133113132121 - 2² = 1133113132117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133113132181) 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, 221681 + ... + 1521633.

It is an arithmetic number, because the mean of its divisors is an integer number (283278825933).

Almost surely, 2^{1133113132121} is an apocalyptic number.

It is an amenable number.

1133113132121 is a deficient number, since it is larger than the sum of its proper divisors (2171611).

1133113132121 is an equidigital number, since it uses as much as digits as its factorization.

1133113132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171610.

The product of its digits is 324, while the sum is 23.

Adding to 1133113132121 its reverse (1212313113311), we get a palindrome (2345426245432).

The spelling of 1133113132121 in words is "one trillion, one hundred thirty-three billion, one hundred thirteen million, one hundred thirty-two thousand, one hundred twenty-one".