42212061611 has 2 divisors, whose sum is σ = 42212061612. Its totient is φ = 42212061610.

The previous prime is 42212061581. The next prime is 42212061649. The reversal of 42212061611 is 11616021224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42212061611 is a prime.

It is not a weakly prime, because it can be changed into another prime (42212061011) 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, 21106030805 + 21106030806.

It is an arithmetic number, because the mean of its divisors is an integer number (21106030806).

Almost surely, 2^42212061611 is an apocalyptic number.

42212061611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42212061611 is an equidigital number, since it uses as much as digits as its factorization.

42212061611 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.

Adding to 42212061611 its reverse (11616021224), we get a palindrome (53828082835).

The spelling of 42212061611 in words is "forty-two billion, two hundred twelve million, sixty-one thousand, six hundred eleven".