201001200322001 has 4 divisors (see below), whose sum is σ = 202021510983732. Its totient is φ = 199980889660272.

The previous prime is 201001200321989. The next prime is 201001200322019. The reversal of 201001200322001 is 100223002100102.

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 98018890401601 + 102982309920400 = 9900449^2 + 10148020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001200322001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001200321001) 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, 510155330570 + ... + 510155330963.

It is an arithmetic number, because the mean of its divisors is an integer number (50505377745933).

Almost surely, 2^{201001200322001} is an apocalyptic number.

It is an amenable number.

201001200322001 is a deficient number, since it is larger than the sum of its proper divisors (1020310661731).

201001200322001 is a wasteful number, since it uses less digits than its factorization.

201001200322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020310661730.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 201001200322001 its reverse (100223002100102), we get a palindrome (301224202422103).

The spelling of 201001200322001 in words is "two hundred one trillion, one billion, two hundred million, three hundred twenty-two thousand, one".