201010000002169 has 2 divisors, whose sum is σ = 201010000002170. Its totient is φ = 201010000002168.

The previous prime is 201010000002113. The next prime is 201010000002187. The reversal of 201010000002169 is 961200000010102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199081179009769 + 1928820992400 = 14109613^2 + 1388820^2 .

It is a cyclic number.

It is not a de Polignac number, because 201010000002169 - 2¹³ = 201009999993977 is a prime.

It is a super-2 number, since 2×201010000002169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201010000006169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505000001084 + 100505000001085.

It is an arithmetic number, because the mean of its divisors is an integer number (100505000001085).

Almost surely, 2^{201010000002169} is an apocalyptic number.

It is an amenable number.

201010000002169 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010000002169 is an equidigital number, since it uses as much as digits as its factorization.

201010000002169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 201010000002169 in words is "two hundred one trillion, ten billion, two thousand, one hundred sixty-nine".