11011121007 has 16 divisors (see below), whose sum is σ = 15105871872. Its totient is φ = 7130137280.

The previous prime is 11011121003. The next prime is 11011121021. The reversal of 11011121007 is 70012111011.

11011121007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11011121007 - 2² = 11011121003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011121003) 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 15 ways as a sum of consecutive naturals, for example, 169263 + ... + 225104.

It is an arithmetic number, because the mean of its divisors is an integer number (944116992).

Almost surely, 2^11011121007 is an apocalyptic number.

11011121007 is a deficient number, since it is larger than the sum of its proper divisors (4094750865).

11011121007 is a wasteful number, since it uses less digits than its factorization.

11011121007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394638.

The product of its (nonzero) digits is 14, while the sum is 15.

Adding to 11011121007 its reverse (70012111011), we get a palindrome (81023232018).

The spelling of 11011121007 in words is "eleven billion, eleven million, one hundred twenty-one thousand, seven".