201144132197 has 2 divisors, whose sum is σ = 201144132198. Its totient is φ = 201144132196.

The previous prime is 201144132193. The next prime is 201144132253. The reversal of 201144132197 is 791231441102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155866250401 + 45277881796 = 394799^2 + 212786^2 .

It is a cyclic number.

It is not a de Polignac number, because 201144132197 - 2² = 201144132193 is a prime.

It is a super-3 number, since 3×201144132197³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201144132193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100572066098 + 100572066099.

It is an arithmetic number, because the mean of its divisors is an integer number (100572066099).

Almost surely, 2^201144132197 is an apocalyptic number.

It is an amenable number.

201144132197 is a deficient number, since it is larger than the sum of its proper divisors (1).

201144132197 is an equidigital number, since it uses as much as digits as its factorization.

201144132197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 201144132197 its reverse (791231441102), we get a palindrome (992375573299).

The spelling of 201144132197 in words is "two hundred one billion, one hundred forty-four million, one hundred thirty-two thousand, one hundred ninety-seven".