11000221051 has 2 divisors, whose sum is σ = 11000221052. Its totient is φ = 11000221050.

The previous prime is 11000221049. The next prime is 11000221117. The reversal of 11000221051 is 15012200011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11000221051 - 2¹ = 11000221049 is a prime.

Together with 11000221049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11000221751) 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 as a sum of consecutive naturals, namely, 5500110525 + 5500110526.

It is an arithmetic number, because the mean of its divisors is an integer number (5500110526).

Almost surely, 2^11000221051 is an apocalyptic number.

11000221051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000221051 is an equidigital number, since it uses as much as digits as its factorization.

11000221051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 11000221051 its reverse (15012200011), we get a palindrome (26012421062).

The spelling of 11000221051 in words is "eleven billion, two hundred twenty-one thousand, fifty-one".