222211021049 has 2 divisors, whose sum is σ = 222211021050. Its totient is φ = 222211021048.

The previous prime is 222211021013. The next prime is 222211021057. The reversal of 222211021049 is 940120112222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206813933824 + 15397087225 = 454768^2 + 124085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222211021049 is a prime.

It is not a weakly prime, because it can be changed into another prime (222211021099) 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, 111105510524 + 111105510525.

It is an arithmetic number, because the mean of its divisors is an integer number (111105510525).

Almost surely, 2^222211021049 is an apocalyptic number.

It is an amenable number.

222211021049 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211021049 is an equidigital number, since it uses as much as digits as its factorization.

222211021049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 222211021049 in words is "two hundred twenty-two billion, two hundred eleven million, twenty-one thousand, forty-nine".