222102100049 has 2 divisors, whose sum is σ = 222102100050. Its totient is φ = 222102100048.

The previous prime is 222102099997. The next prime is 222102100067. The reversal of 222102100049 is 940001201222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153395205649 + 68706894400 = 391657^2 + 262120^2 .

It is a cyclic number.

It is not a de Polignac number, because 222102100049 - 2²⁸ = 221833664593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222102099997 and 222102100033.

It is not a weakly prime, because it can be changed into another prime (222101100049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051050024 + 111051050025.

It is an arithmetic number, because the mean of its divisors is an integer number (111051050025).

Almost surely, 2^222102100049 is an apocalyptic number.

It is an amenable number.

222102100049 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102100049 is an equidigital number, since it uses as much as digits as its factorization.

222102100049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 222102100049 in words is "two hundred twenty-two billion, one hundred two million, one hundred thousand, forty-nine".