222113302121 has 2 divisors, whose sum is σ = 222113302122. Its totient is φ = 222113302120.

The previous prime is 222113302079. The next prime is 222113302193. The reversal of 222113302121 is 121203311222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133835978896 + 88277323225 = 365836^2 + 297115^2 .

It is a cyclic number.

It is not a de Polignac number, because 222113302121 - 2¹⁰ = 222113301097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222113302093 and 222113302102.

It is not a weakly prime, because it can be changed into another prime (222113302721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056651060 + 111056651061.

It is an arithmetic number, because the mean of its divisors is an integer number (111056651061).

Almost surely, 2^222113302121 is an apocalyptic number.

It is an amenable number.

222113302121 is a deficient number, since it is larger than the sum of its proper divisors (1).

222113302121 is an equidigital number, since it uses as much as digits as its factorization.

222113302121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222113302121 its reverse (121203311222), we get a palindrome (343316613343).

The spelling of 222113302121 in words is "two hundred twenty-two billion, one hundred thirteen million, three hundred two thousand, one hundred twenty-one".