11221101010111 has 2 divisors, whose sum is σ = 11221101010112. Its totient is φ = 11221101010110.

The previous prime is 11221101010087. The next prime is 11221101010121. The reversal of 11221101010111 is 11101010112211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221101010111 - 2⁷ = 11221101009983 is a prime.

It is a super-2 number, since 2×11221101010111² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221101010091 and 11221101010100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221101010121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610550505055 + 5610550505056.

It is an arithmetic number, because the mean of its divisors is an integer number (5610550505056).

Almost surely, 2^{11221101010111} is an apocalyptic number.

11221101010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221101010111 is an equidigital number, since it uses as much as digits as its factorization.

11221101010111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11221101010111 its reverse (11101010112211), we get a palindrome (22322111122322).

The spelling of 11221101010111 in words is "eleven trillion, two hundred twenty-one billion, one hundred one million, ten thousand, one hundred eleven".