11111113230121 has 8 divisors (see below), whose sum is σ = 11126563557120. Its totient is φ = 11095673551872.

The previous prime is 11111113230089. The next prime is 11111113230187. The reversal of 11111113230121 is 12103231111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111113230121 - 2⁵ = 11111113230089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111113234121) 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 7 ways as a sum of consecutive naturals, for example, 572760 + ... + 4748713.

It is an arithmetic number, because the mean of its divisors is an integer number (1390820444640).

Almost surely, 2^{11111113230121} is an apocalyptic number.

It is an amenable number.

11111113230121 is a deficient number, since it is larger than the sum of its proper divisors (15450326999).

11111113230121 is a wasteful number, since it uses less digits than its factorization.

11111113230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324375.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 11111113230121 its reverse (12103231111111), we get a palindrome (23214344341232).

The spelling of 11111113230121 in words is "eleven trillion, one hundred eleven billion, one hundred thirteen million, two hundred thirty thousand, one hundred twenty-one".