1042211999911 has 2 divisors, whose sum is σ = 1042211999912. Its totient is φ = 1042211999910.

The previous prime is 1042211999909. The next prime is 1042212000013. The reversal of 1042211999911 is 1199991122401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042211999911 - 2¹ = 1042211999909 is a prime.

Together with 1042211999909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042211991911) 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, 521105999955 + 521105999956.

It is an arithmetic number, because the mean of its divisors is an integer number (521105999956).

Almost surely, 2^{1042211999911} is an apocalyptic number.

1042211999911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042211999911 is an equidigital number, since it uses as much as digits as its factorization.

1042211999911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 49.

The spelling of 1042211999911 in words is "one trillion, forty-two billion, two hundred eleven million, nine hundred ninety-nine thousand, nine hundred eleven".