1001020102169 has 2 divisors, whose sum is σ = 1001020102170. Its totient is φ = 1001020102168.

The previous prime is 1001020102129. The next prime is 1001020102177. The reversal of 1001020102169 is 9612010201001.

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., 612442412569 + 388577689600 = 782587^2 + 623360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001020102169 - 2¹⁶ = 1001020036633 is a prime.

It is a super-2 number, since 2×1001020102169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001020102109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500510051084 + 500510051085.

It is an arithmetic number, because the mean of its divisors is an integer number (500510051085).

Almost surely, 2^{1001020102169} is an apocalyptic number.

It is an amenable number.

1001020102169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001020102169 is an equidigital number, since it uses as much as digits as its factorization.

1001020102169 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 23.

The spelling of 1001020102169 in words is "one trillion, one billion, twenty million, one hundred two thousand, one hundred sixty-nine".