201120100122169 has 2 divisors, whose sum is σ = 201120100122170. Its totient is φ = 201120100122168.

The previous prime is 201120100122079. The next prime is 201120100122187. The reversal of 201120100122169 is 961221001021102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200460658678569 + 659441443600 = 14158413^2 + 812060^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120100122169 - 2¹⁵ = 201120100089401 is a prime.

It is a super-2 number, since 2×201120100122169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201120100122199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560050061084 + 100560050061085.

It is an arithmetic number, because the mean of its divisors is an integer number (100560050061085).

Almost surely, 2^{201120100122169} is an apocalyptic number.

It is an amenable number.

201120100122169 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120100122169 is an equidigital number, since it uses as much as digits as its factorization.

201120100122169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 201120100122169 in words is "two hundred one trillion, one hundred twenty billion, one hundred million, one hundred twenty-two thousand, one hundred sixty-nine".