201020111112229 has 2 divisors, whose sum is σ = 201020111112230. Its totient is φ = 201020111112228.

The previous prime is 201020111112203. The next prime is 201020111112251. The reversal of 201020111112229 is 922211111020102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200928073508100 + 92037604129 = 14174910^2 + 303377^2 .

It is a cyclic number.

It is not a de Polignac number, because 201020111112229 - 2⁹ = 201020111111717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020111119229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510055556114 + 100510055556115.

It is an arithmetic number, because the mean of its divisors is an integer number (100510055556115).

Almost surely, 2^{201020111112229} is an apocalyptic number.

It is an amenable number.

201020111112229 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020111112229 is an equidigital number, since it uses as much as digits as its factorization.

201020111112229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 201020111112229 in words is "two hundred one trillion, twenty billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-nine".