101158201 has 4 divisors (see below), whose sum is σ = 102294900. Its totient is φ = 100021504.

The previous prime is 101158199. The next prime is 101158207. The reversal of 101158201 is 102851101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25050025 + 76108176 = 5005^2 + 8724^2 .

It is a cyclic number.

It is not a de Polignac number, because 101158201 - 2¹ = 101158199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101158207) 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 in 3 ways as a sum of consecutive naturals, for example, 568216 + ... + 568393.

It is an arithmetic number, because the mean of its divisors is an integer number (25573725).

Almost surely, 2^101158201 is an apocalyptic number.

It is an amenable number.

101158201 is a deficient number, since it is larger than the sum of its proper divisors (1136699).

101158201 is an equidigital number, since it uses as much as digits as its factorization.

101158201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136698.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 101158201 is about 10057.7433353611. The cubic root of 101158201 is about 465.9439736287.

The spelling of 101158201 in words is "one hundred one million, one hundred fifty-eight thousand, two hundred one".