101669201 has 2 divisors, whose sum is σ = 101669202. Its totient is φ = 101669200.

The previous prime is 101669189. The next prime is 101669219. The reversal of 101669201 is 102966101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51825601 + 49843600 = 7199^2 + 7060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101669201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101669221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50834600 + 50834601.

It is an arithmetic number, because the mean of its divisors is an integer number (50834601).

Almost surely, 2^101669201 is an apocalyptic number.

It is an amenable number.

101669201 is a deficient number, since it is larger than the sum of its proper divisors (1).

101669201 is an equidigital number, since it uses as much as digits as its factorization.

101669201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 101669201 is about 10083.1146477663. The cubic root of 101669201 is about 466.7272272313.

The spelling of 101669201 in words is "one hundred one million, six hundred sixty-nine thousand, two hundred one".