201202113321001 has 4 divisors (see below), whose sum is σ = 216679198961092. Its totient is φ = 185725027680912.

The previous prime is 201202113320981. The next prime is 201202113321031. The reversal of 201202113321001 is 100123311202102.

201202113321001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 70941892135401 + 130260221185600 = 8422701^2 + 11413160^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202113321001 - 2⁵ = 201202113320969 is a prime.

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 201202113321001.

It is not an unprimeable number, because it can be changed into a prime (201202113321031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7738542820026 + ... + 7738542820051.

It is an arithmetic number, because the mean of its divisors is an integer number (54169799740273).

Almost surely, 2^{201202113321001} is an apocalyptic number.

It is an amenable number.

201202113321001 is a deficient number, since it is larger than the sum of its proper divisors (15477085640091).

201202113321001 is a wasteful number, since it uses less digits than its factorization.

201202113321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477085640090.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201202113321001 its reverse (100123311202102), we get a palindrome (301325424523103).

The spelling of 201202113321001 in words is "two hundred one trillion, two hundred two billion, one hundred thirteen million, three hundred twenty-one thousand, one".