222112221002611 has 2 divisors, whose sum is σ = 222112221002612. Its totient is φ = 222112221002610.

The previous prime is 222112221002597. The next prime is 222112221002699. The reversal of 222112221002611 is 116200122211222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222112221002611 - 2⁹ = 222112221002099 is a prime.

It is a super-2 number, since 2×222112221002611² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222112221008611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056110501305 + 111056110501306.

It is an arithmetic number, because the mean of its divisors is an integer number (111056110501306).

Almost surely, 2^{222112221002611} is an apocalyptic number.

222112221002611 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112221002611 is an equidigital number, since it uses as much as digits as its factorization.

222112221002611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 222112221002611 its reverse (116200122211222), we get a palindrome (338312343213833).

The spelling of 222112221002611 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, two thousand, six hundred eleven".