1210011020011 has 2 divisors, whose sum is σ = 1210011020012. Its totient is φ = 1210011020010.

The previous prime is 1210011019979. The next prime is 1210011020039. The reversal of 1210011020011 is 1100201100121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210011020011 - 2⁵ = 1210011019979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210011020011.

It is not a weakly prime, because it can be changed into another prime (1210011020041) 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, 605005510005 + 605005510006.

It is an arithmetic number, because the mean of its divisors is an integer number (605005510006).

Almost surely, 2^{1210011020011} is an apocalyptic number.

1210011020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210011020011 is an equidigital number, since it uses as much as digits as its factorization.

1210011020011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1210011020011 its reverse (1100201100121), we get a palindrome (2310212120132).

The spelling of 1210011020011 in words is "one trillion, two hundred ten billion, eleven million, twenty thousand, eleven".