221110002220111 has 2 divisors, whose sum is σ = 221110002220112. Its totient is φ = 221110002220110.

The previous prime is 221110002220099. The next prime is 221110002220117. The reversal of 221110002220111 is 111022200011122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221110002220111 - 2⁷ = 221110002219983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221110002220117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555001110055 + 110555001110056.

It is an arithmetic number, because the mean of its divisors is an integer number (110555001110056).

Almost surely, 2^{221110002220111} is an apocalyptic number.

221110002220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

221110002220111 is an equidigital number, since it uses as much as digits as its factorization.

221110002220111 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 16.

Adding to 221110002220111 its reverse (111022200011122), we get a palindrome (332132202231233).

The spelling of 221110002220111 in words is "two hundred twenty-one trillion, one hundred ten billion, two million, two hundred twenty thousand, one hundred eleven".