201013122001 has 8 divisors (see below), whose sum is σ = 201611025000. Its totient is φ = 200415920640.

The previous prime is 201013121999. The next prime is 201013122007. The reversal of 201013122001 is 100221310102.

It can be written as a sum of positive squares in 4 ways, for example, as 1833894976 + 199179227025 = 42824^2 + 446295^2 .

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 201013122001 - 2¹ = 201013121999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201013122007) 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, 401235 + ... + 750343.

It is an arithmetic number, because the mean of its divisors is an integer number (25201378125).

Almost surely, 2^201013122001 is an apocalyptic number.

It is an amenable number.

201013122001 is a deficient number, since it is larger than the sum of its proper divisors (597902999).

201013122001 is a wasteful number, since it uses less digits than its factorization.

201013122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350819.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201013122001 its reverse (100221310102), we get a palindrome (301234432103).

The spelling of 201013122001 in words is "two hundred one billion, thirteen million, one hundred twenty-two thousand, one".