11001121007 has 4 divisors (see below), whose sum is σ = 11479430640. Its totient is φ = 10522811376.

The previous prime is 11001121003. The next prime is 11001121037. The reversal of 11001121007 is 70012110011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11001121007 - 2² = 11001121003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001120982 and 11001121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001121003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239154782 + ... + 239154827.

It is an arithmetic number, because the mean of its divisors is an integer number (2869857660).

Almost surely, 2^11001121007 is an apocalyptic number.

11001121007 is a deficient number, since it is larger than the sum of its proper divisors (478309633).

11001121007 is an equidigital number, since it uses as much as digits as its factorization.

11001121007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478309632.

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

Adding to 11001121007 its reverse (70012110011), we get a palindrome (81013231018).

The spelling of 11001121007 in words is "eleven billion, one million, one hundred twenty-one thousand, seven".