201044142001 has 2 divisors, whose sum is σ = 201044142002. Its totient is φ = 201044142000.

The previous prime is 201044141999. The next prime is 201044142011. The reversal of 201044142001 is 100241440102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200882343601 + 161798400 = 448199^2 + 12720^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044142001 - 2¹ = 201044141999 is a prime.

Together with 201044141999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201044142001.

It is not a weakly prime, because it can be changed into another prime (201044142011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522071000 + 100522071001.

It is an arithmetic number, because the mean of its divisors is an integer number (100522071001).

Almost surely, 2^201044142001 is an apocalyptic number.

It is an amenable number.

201044142001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044142001 is an equidigital number, since it uses as much as digits as its factorization.

201044142001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201044142001 its reverse (100241440102), we get a palindrome (301285582103).

The spelling of 201044142001 in words is "two hundred one billion, forty-four million, one hundred forty-two thousand, one".