222101101 has 2 divisors, whose sum is σ = 222101102. Its totient is φ = 222101100.

The previous prime is 222101083. The next prime is 222101123. The reversal of 222101101 is 101101222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188403076 + 33698025 = 13726^2 + 5805^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101101 - 2⁵ = 222101069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222161101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050550 + 111050551.

It is an arithmetic number, because the mean of its divisors is an integer number (111050551).

Almost surely, 2^222101101 is an apocalyptic number.

It is an amenable number.

222101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101101 is an equidigital number, since it uses as much as digits as its factorization.

222101101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 222101101 is about 14903.0567669858. The cubic root of 222101101 is about 605.5967983444.

Adding to 222101101 its reverse (101101222), we get a palindrome (323202323).

It can be divided in two parts, 222 and 101101, that multiplied together give a palindrome (22444422).

The spelling of 222101101 in words is "two hundred twenty-two million, one hundred one thousand, one hundred one".