1113321244121 has 4 divisors (see below), whose sum is σ = 1113323377152. Its totient is φ = 1113319111092.

The previous prime is 1113321244117. The next prime is 1113321244127. The reversal of 1113321244121 is 1214421233111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1113321244121 - 2² = 1113321244117 is a prime.

It is a super-2 number, since 2×1113321244121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1113321244127) 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, 300236 + ... + 1522098.

It is an arithmetic number, because the mean of its divisors is an integer number (278330844288).

Almost surely, 2^{1113321244121} is an apocalyptic number.

It is an amenable number.

1113321244121 is a deficient number, since it is larger than the sum of its proper divisors (2133031).

1113321244121 is an equidigital number, since it uses as much as digits as its factorization.

1113321244121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133030.

The product of its digits is 1152, while the sum is 26.

Adding to 1113321244121 its reverse (1214421233111), we get a palindrome (2327742477232).

The spelling of 1113321244121 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, two hundred forty-four thousand, one hundred twenty-one".