201322111 has 2 divisors, whose sum is σ = 201322112. Its totient is φ = 201322110.

The previous prime is 201322097. The next prime is 201322117. The reversal of 201322111 is 111223102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201322111 - 2¹⁵ = 201289343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201322091 and 201322100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201322117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100661055 + 100661056.

It is an arithmetic number, because the mean of its divisors is an integer number (100661056).

Almost surely, 2^201322111 is an apocalyptic number.

201322111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201322111 is an equidigital number, since it uses as much as digits as its factorization.

201322111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 201322111 is about 14188.8023102727. The cubic root of 201322111 is about 586.0893438541.

Adding to 201322111 its reverse (111223102), we get a palindrome (312545213).

Subtracting from 201322111 its reverse (111223102), we obtain a palindrome (90099009).

The spelling of 201322111 in words is "two hundred one million, three hundred twenty-two thousand, one hundred eleven".