10211021011 has 2 divisors, whose sum is σ = 10211021012. Its totient is φ = 10211021010.

The previous prime is 10211020999. The next prime is 10211021069. The reversal of 10211021011 is 11012011201.

10211021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211021011 - 2²¹ = 10208923859 is a prime.

It is not a weakly prime, because it can be changed into another prime (10211021311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105510505 + 5105510506.

It is an arithmetic number, because the mean of its divisors is an integer number (5105510506).

Almost surely, 2^10211021011 is an apocalyptic number.

10211021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211021011 is an equidigital number, since it uses as much as digits as its factorization.

10211021011 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 10211021011 its reverse (11012011201), we get a palindrome (21223032212).

The spelling of 10211021011 in words is "ten billion, two hundred eleven million, twenty-one thousand, eleven".