201144241099973 has 2 divisors, whose sum is σ = 201144241099974. Its totient is φ = 201144241099972.

The previous prime is 201144241099927. The next prime is 201144241100021. The reversal of 201144241099973 is 379990142441102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152658059007169 + 48486182092804 = 12355487^2 + 6963202^2 .

It is a cyclic number.

It is not a de Polignac number, because 201144241099973 - 2¹² = 201144241095877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201144241099913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100572120549986 + 100572120549987.

It is an arithmetic number, because the mean of its divisors is an integer number (100572120549987).

Almost surely, 2^{201144241099973} is an apocalyptic number.

It is an amenable number.

201144241099973 is a deficient number, since it is larger than the sum of its proper divisors (1).

201144241099973 is an equidigital number, since it uses as much as digits as its factorization.

201144241099973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 201144241099973 in words is "two hundred one trillion, one hundred forty-four billion, two hundred forty-one million, ninety-nine thousand, nine hundred seventy-three".