11110012121 has 8 divisors (see below), whose sum is σ = 11970456960. Its totient is φ = 10250399952.

The previous prime is 11110012087. The next prime is 11110012127. The reversal of 11110012121 is 12121001111.

11110012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-11110012121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180311 + ... + 233948.

It is an arithmetic number, because the mean of its divisors is an integer number (1496307120).

Almost surely, 2^11110012121 is an apocalyptic number.

It is an amenable number.

11110012121 is a deficient number, since it is larger than the sum of its proper divisors (860444839).

11110012121 is a wasteful number, since it uses less digits than its factorization.

11110012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416335.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11110012121 its reverse (12121001111), we get a palindrome (23231013232).

The spelling of 11110012121 in words is "eleven billion, one hundred ten million, twelve thousand, one hundred twenty-one".