11221202210111 has 2 divisors, whose sum is σ = 11221202210112. Its totient is φ = 11221202210110.

The previous prime is 11221202210107. The next prime is 11221202210143. The reversal of 11221202210111 is 11101220212211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221202210111 - 2² = 11221202210107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11221202210111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221202210161) 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, 5610601105055 + 5610601105056.

It is an arithmetic number, because the mean of its divisors is an integer number (5610601105056).

Almost surely, 2^{11221202210111} is an apocalyptic number.

11221202210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221202210111 is an equidigital number, since it uses as much as digits as its factorization.

11221202210111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11221202210111 its reverse (11101220212211), we get a palindrome (22322422422322).

The spelling of 11221202210111 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, two hundred ten thousand, one hundred eleven".