11220021002111 has 2 divisors, whose sum is σ = 11220021002112. Its totient is φ = 11220021002110.

The previous prime is 11220021002083. The next prime is 11220021002119. The reversal of 11220021002111 is 11120012002211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11220021002111 - 2¹⁴ = 11220020985727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220021002119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610010501055 + 5610010501056.

It is an arithmetic number, because the mean of its divisors is an integer number (5610010501056).

Almost surely, 2^{11220021002111} is an apocalyptic number.

11220021002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220021002111 is an equidigital number, since it uses as much as digits as its factorization.

11220021002111 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 11220021002111 its reverse (11120012002211), we get a palindrome (22340033004322).

The spelling of 11220021002111 in words is "eleven trillion, two hundred twenty billion, twenty-one million, two thousand, one hundred eleven".