11003030121 has 16 divisors (see below), whose sum is σ = 14737365504. Its totient is φ = 7302096384.

The previous prime is 11003030119. The next prime is 11003030147. The reversal of 11003030121 is 12103030011.

It is not a de Polignac number, because 11003030121 - 2¹ = 11003030119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11003030097 and 11003030106.

It is not an unprimeable number, because it can be changed into a prime (11003030161) 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, 634255 + ... + 651371.

It is an arithmetic number, because the mean of its divisors is an integer number (921085344).

Almost surely, 2^11003030121 is an apocalyptic number.

It is an amenable number.

11003030121 is a deficient number, since it is larger than the sum of its proper divisors (3734335383).

11003030121 is a wasteful number, since it uses less digits than its factorization.

11003030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18080.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11003030121 its reverse (12103030011), we get a palindrome (23106060132).

The spelling of 11003030121 in words is "eleven billion, three million, thirty thousand, one hundred twenty-one".