10211122221011 has 2 divisors, whose sum is σ = 10211122221012. Its totient is φ = 10211122221010.

The previous prime is 10211122221007. The next prime is 10211122221089. The reversal of 10211122221011 is 11012222111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211122221011 - 2² = 10211122221007 is a prime.

It is not a weakly prime, because it can be changed into another prime (10211122224011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105561110505 + 5105561110506.

It is an arithmetic number, because the mean of its divisors is an integer number (5105561110506).

Almost surely, 2^{10211122221011} is an apocalyptic number.

10211122221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211122221011 is an equidigital number, since it uses as much as digits as its factorization.

10211122221011 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 17.

Adding to 10211122221011 its reverse (11012222111201), we get a palindrome (21223344332212).

The spelling of 10211122221011 in words is "ten trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, eleven".