20102200210111 has 2 divisors, whose sum is σ = 20102200210112. Its totient is φ = 20102200210110.

The previous prime is 20102200210069. The next prime is 20102200210133. The reversal of 20102200210111 is 11101200220102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102200210111 - 2⁷ = 20102200209983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102200210091 and 20102200210100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102200610111) 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, 10051100105055 + 10051100105056.

It is an arithmetic number, because the mean of its divisors is an integer number (10051100105056).

Almost surely, 2^{20102200210111} is an apocalyptic number.

20102200210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102200210111 is an equidigital number, since it uses as much as digits as its factorization.

20102200210111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102200210111 its reverse (11101200220102), we get a palindrome (31203400430213).

Subtracting from 20102200210111 its reverse (11101200220102), we obtain a palindrome (9000999990009).

The spelling of 20102200210111 in words is "twenty trillion, one hundred two billion, two hundred million, two hundred ten thousand, one hundred eleven".