11222001002111 has 2 divisors, whose sum is σ = 11222001002112. Its totient is φ = 11222001002110.

The previous prime is 11222001002099. The next prime is 11222001002231. The reversal of 11222001002111 is 11120010022211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11222001002111 - 2¹⁰ = 11222001001087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222001004111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611000501055 + 5611000501056.

It is an arithmetic number, because the mean of its divisors is an integer number (5611000501056).

Almost surely, 2^{11222001002111} is an apocalyptic number.

11222001002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222001002111 is an equidigital number, since it uses as much as digits as its factorization.

11222001002111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11222001002111 its reverse (11120010022211), we get a palindrome (22342011024322).

The spelling of 11222001002111 in words is "eleven trillion, two hundred twenty-two billion, one million, two thousand, one hundred eleven".