1012122212011 has 2 divisors, whose sum is σ = 1012122212012. Its totient is φ = 1012122212010.

The previous prime is 1012122212009. The next prime is 1012122212021. The reversal of 1012122212011 is 1102122212101.

It is a weak prime.

It is an emirp because it is prime and its reverse (1102122212101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012122212011 - 2¹ = 1012122212009 is a prime.

Together with 1012122212009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1012122212021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061106005 + 506061106006.

It is an arithmetic number, because the mean of its divisors is an integer number (506061106006).

Almost surely, 2^{1012122212011} is an apocalyptic number.

1012122212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012122212011 is an equidigital number, since it uses as much as digits as its factorization.

1012122212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012122212011 its reverse (1102122212101), we get a palindrome (2114244424112).

The spelling of 1012122212011 in words is "one trillion, twelve billion, one hundred twenty-two million, two hundred twelve thousand, eleven".