10202120011 has 2 divisors, whose sum is σ = 10202120012. Its totient is φ = 10202120010.

The previous prime is 10202119997. The next prime is 10202120017. The reversal of 10202120011 is 11002120201.

It is a strong prime.

It is an emirp because it is prime and its reverse (11002120201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202120011 - 2²⁵ = 10168565579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10202120011.

It is not a weakly prime, because it can be changed into another prime (10202120017) 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, 5101060005 + 5101060006.

It is an arithmetic number, because the mean of its divisors is an integer number (5101060006).

Almost surely, 2^10202120011 is an apocalyptic number.

10202120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202120011 is an equidigital number, since it uses as much as digits as its factorization.

10202120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10202120011 its reverse (11002120201), we get a palindrome (21204240212).

The spelling of 10202120011 in words is "ten billion, two hundred two million, one hundred twenty thousand, eleven".