201233142001 has 2 divisors, whose sum is σ = 201233142002. Its totient is φ = 201233142000.

The previous prime is 201233141957. The next prime is 201233142013. The reversal of 201233142001 is 100241332102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140186592225 + 61046549776 = 374415^2 + 247076^2 .

It is a cyclic number.

It is not a de Polignac number, because 201233142001 - 2⁷ = 201233141873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201233142001.

It is not a weakly prime, because it can be changed into another prime (201233142401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616571000 + 100616571001.

It is an arithmetic number, because the mean of its divisors is an integer number (100616571001).

Almost surely, 2^201233142001 is an apocalyptic number.

It is an amenable number.

201233142001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233142001 is an equidigital number, since it uses as much as digits as its factorization.

201233142001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201233142001 its reverse (100241332102), we get a palindrome (301474474103).

The spelling of 201233142001 in words is "two hundred one billion, two hundred thirty-three million, one hundred forty-two thousand, one".