201112202021201 has 8 divisors (see below), whose sum is σ = 203223966297000. Its totient is φ = 199005286803840.

The previous prime is 201112202021197. The next prime is 201112202021261. The reversal of 201112202021201 is 102120202211102.

It can be written as a sum of positive squares in 4 ways, for example, as 10405630802176 + 190706571219025 = 3225776^2 + 13809655^2 .

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 201112202021201 - 2² = 201112202021197 is a prime.

It is a super-2 number, since 2×201112202021201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201112202021201.

It is not an unprimeable number, because it can be changed into a prime (201112202021261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212181226 + ... + 1212347123.

It is an arithmetic number, because the mean of its divisors is an integer number (25402995787125).

Almost surely, 2^{201112202021201} is an apocalyptic number.

It is an amenable number.

201112202021201 is a deficient number, since it is larger than the sum of its proper divisors (2111764275799).

201112202021201 is a wasteful number, since it uses less digits than its factorization.

201112202021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424529219.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201112202021201 its reverse (102120202211102), we get a palindrome (303232404232303).

The spelling of 201112202021201 in words is "two hundred one trillion, one hundred twelve billion, two hundred two million, twenty-one thousand, two hundred one".