111102122222101 has 2 divisors, whose sum is σ = 111102122222102. Its totient is φ = 111102122222100.

The previous prime is 111102122222083. The next prime is 111102122222167. The reversal of 111102122222101 is 101222221201111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90634188999601 + 20467933222500 = 9520199^2 + 4524150^2 .

It is a cyclic number.

It is not a de Polignac number, because 111102122222101 - 2¹³ = 111102122213909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111102122222801) 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, 55551061111050 + 55551061111051.

It is an arithmetic number, because the mean of its divisors is an integer number (55551061111051).

Almost surely, 2^{111102122222101} is an apocalyptic number.

It is an amenable number.

111102122222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102122222101 is an equidigital number, since it uses as much as digits as its factorization.

111102122222101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111102122222101 its reverse (101222221201111), we get a palindrome (212324343423212).

The spelling of 111102122222101 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".