222222001101101 has 2 divisors, whose sum is σ = 222222001101102. Its totient is φ = 222222001101100.

The previous prime is 222222001101077. The next prime is 222222001101137. The reversal of 222222001101101 is 101101100222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217426054399876 + 4795946701225 = 14745374^2 + 2189965^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222001101101 - 2³⁸ = 221947123194157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222222001101101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222001121101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111000550550 + 111111000550551.

It is an arithmetic number, because the mean of its divisors is an integer number (111111000550551).

Almost surely, 2^{222222001101101} is an apocalyptic number.

It is an amenable number.

222222001101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222001101101 is an equidigital number, since it uses as much as digits as its factorization.

222222001101101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222222001101101 its reverse (101101100222222), we get a palindrome (323323101323323).

The spelling of 222222001101101 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one million, one hundred one thousand, one hundred one".