22212202212611 has 2 divisors, whose sum is σ = 22212202212612. Its totient is φ = 22212202212610.

The previous prime is 22212202212587. The next prime is 22212202212623. The reversal of 22212202212611 is 11621220221222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212202212611 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212202212661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106101106305 + 11106101106306.

It is an arithmetic number, because the mean of its divisors is an integer number (11106101106306).

Almost surely, 2^{22212202212611} is an apocalyptic number.

22212202212611 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212202212611 is an equidigital number, since it uses as much as digits as its factorization.

22212202212611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 22212202212611 its reverse (11621220221222), we get a palindrome (33833422433833).

The spelling of 22212202212611 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, six hundred eleven".