222101100402101 has 2 divisors, whose sum is σ = 222101100402102. Its totient is φ = 222101100402100.

The previous prime is 222101100402089. The next prime is 222101100402133. The reversal of 222101100402101 is 101204001101222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131819652663076 + 90281447739025 = 11481274^2 + 9501655^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101100402101 - 2⁴² = 217703053890997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222101100402101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222101100402151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050550201050 + 111050550201051.

It is an arithmetic number, because the mean of its divisors is an integer number (111050550201051).

Almost surely, 2^{222101100402101} is an apocalyptic number.

It is an amenable number.

222101100402101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101100402101 is an equidigital number, since it uses as much as digits as its factorization.

222101100402101 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 17.

Adding to 222101100402101 its reverse (101204001101222), we get a palindrome (323305101503323).

The spelling of 222101100402101 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred million, four hundred two thousand, one hundred one".