201110212220111 has 2 divisors, whose sum is σ = 201110212220112. Its totient is φ = 201110212220110.

The previous prime is 201110212220087. The next prime is 201110212220123. The reversal of 201110212220111 is 111022212011102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201110212220111 - 2¹⁴ = 201110212203727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201110212220111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201110212220171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555106110055 + 100555106110056.

It is an arithmetic number, because the mean of its divisors is an integer number (100555106110056).

Almost surely, 2^{201110212220111} is an apocalyptic number.

201110212220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110212220111 is an equidigital number, since it uses as much as digits as its factorization.

201110212220111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201110212220111 its reverse (111022212011102), we get a palindrome (312132424231213).

The spelling of 201110212220111 in words is "two hundred one trillion, one hundred ten billion, two hundred twelve million, two hundred twenty thousand, one hundred eleven".