101242201 has 2 divisors, whose sum is σ = 101242202. Its totient is φ = 101242200.

The previous prime is 101242139. The next prime is 101242319. The reversal of 101242201 is 102242101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87403801 + 13838400 = 9349^2 + 3720^2 .

It is a cyclic number.

It is not a de Polignac number, because 101242201 - 2⁹ = 101241689 is a prime.

It is not a weakly prime, because it can be changed into another prime (101242901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50621100 + 50621101.

It is an arithmetic number, because the mean of its divisors is an integer number (50621101).

Almost surely, 2^101242201 is an apocalyptic number.

It is an amenable number.

101242201 is a deficient number, since it is larger than the sum of its proper divisors (1).

101242201 is an equidigital number, since it uses as much as digits as its factorization.

101242201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101242201 is about 10061.9183558604. The cubic root of 101242201 is about 466.0729085210.

Adding to 101242201 its reverse (102242101), we get a palindrome (203484302).

The spelling of 101242201 in words is "one hundred one million, two hundred forty-two thousand, two hundred one".