11121102011 has 2 divisors, whose sum is σ = 11121102012. Its totient is φ = 11121102010.

The previous prime is 11121102001. The next prime is 11121102019. The reversal of 11121102011 is 11020112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121102011 - 2⁶ = 11121101947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121101983 and 11121102001.

It is not a weakly prime, because it can be changed into another prime (11121102019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560551005 + 5560551006.

It is an arithmetic number, because the mean of its divisors is an integer number (5560551006).

Almost surely, 2^11121102011 is an apocalyptic number.

11121102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121102011 is an equidigital number, since it uses as much as digits as its factorization.

11121102011 is an evil number, because the sum of its binary digits is even.

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

Adding to 11121102011 its reverse (11020112111), we get a palindrome (22141214122).

The spelling of 11121102011 in words is "eleven billion, one hundred twenty-one million, one hundred two thousand, eleven".