111001210210201 has 2 divisors, whose sum is σ = 111001210210202. Its totient is φ = 111001210210200.

The previous prime is 111001210210159. The next prime is 111001210210217. The reversal of 111001210210201 is 102012012100111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109834592040000 + 1166618170201 = 10480200^2 + 1080101^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001210210201 - 2⁹ = 111001210209689 is a prime.

It is not a weakly prime, because it can be changed into another prime (111001210216201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500605105100 + 55500605105101.

It is an arithmetic number, because the mean of its divisors is an integer number (55500605105101).

Almost surely, 2^{111001210210201} is an apocalyptic number.

It is an amenable number.

111001210210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001210210201 is an equidigital number, since it uses as much as digits as its factorization.

111001210210201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111001210210201 its reverse (102012012100111), we get a palindrome (213013222310312).

The spelling of 111001210210201 in words is "one hundred eleven trillion, one billion, two hundred ten million, two hundred ten thousand, two hundred one".