1000001201011 has 2 divisors, whose sum is σ = 1000001201012. Its totient is φ = 1000001201010.

The previous prime is 1000001201009. The next prime is 1000001201027. The reversal of 1000001201011 is 1101021000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001201011 - 2¹ = 1000001201009 is a prime.

Together with 1000001201009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000001200985 and 1000001201003.

It is not a weakly prime, because it can be changed into another prime (1000001201051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000600505 + 500000600506.

It is an arithmetic number, because the mean of its divisors is an integer number (500000600506).

Almost surely, 2^{1000001201011} is an apocalyptic number.

1000001201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001201011 is an equidigital number, since it uses as much as digits as its factorization.

1000001201011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1000001201011 its reverse (1101021000001), we get a palindrome (2101022201012).

The spelling of 1000001201011 in words is "one trillion, one million, two hundred one thousand, eleven".