201001101197 has 8 divisors (see below), whose sum is σ = 218694300216. Its totient is φ = 183626698752.

The previous prime is 201001101173. The next prime is 201001101227. The reversal of 201001101197 is 791101100102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39574736356 + 161426364841 = 198934^2 + 401779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201001101197 - 2¹⁴ = 201001084813 is a prime.

It is a super-3 number, since 3×201001101197³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001101127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79697828 + ... + 79700349.

It is an arithmetic number, because the mean of its divisors is an integer number (27336787527).

Almost surely, 2^201001101197 is an apocalyptic number.

It is an amenable number.

201001101197 is a deficient number, since it is larger than the sum of its proper divisors (17693199019).

201001101197 is a wasteful number, since it uses less digits than its factorization.

201001101197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159398287.

The product of its (nonzero) digits is 126, while the sum is 23.

Adding to 201001101197 its reverse (791101100102), we get a palindrome (992102201299).

The spelling of 201001101197 in words is "two hundred one billion, one million, one hundred one thousand, one hundred ninety-seven".