20001102222011 has 2 divisors, whose sum is σ = 20001102222012. Its totient is φ = 20001102222010.

The previous prime is 20001102221953. The next prime is 20001102222041. The reversal of 20001102222011 is 11022220110002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001102222011 - 2³⁸ = 19726224315067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001102222041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000551111005 + 10000551111006.

It is an arithmetic number, because the mean of its divisors is an integer number (10000551111006).

Almost surely, 2^{20001102222011} is an apocalyptic number.

20001102222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001102222011 is an equidigital number, since it uses as much as digits as its factorization.

20001102222011 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 14.

Adding to 20001102222011 its reverse (11022220110002), we get a palindrome (31023322332013).

The spelling of 20001102222011 in words is "twenty trillion, one billion, one hundred two million, two hundred twenty-two thousand, eleven".