201233102197 has 2 divisors, whose sum is σ = 201233102198. Its totient is φ = 201233102196.

The previous prime is 201233102177. The next prime is 201233102207. The reversal of 201233102197 is 791201332102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121894549956 + 79338552241 = 349134^2 + 281671^2 .

It is a cyclic number.

It is not a de Polignac number, because 201233102197 - 2²³ = 201224713589 is a prime.

It is a super-2 number, since 2×201233102197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201233102137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616551098 + 100616551099.

It is an arithmetic number, because the mean of its divisors is an integer number (100616551099).

Almost surely, 2^201233102197 is an apocalyptic number.

It is an amenable number.

201233102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233102197 is an equidigital number, since it uses as much as digits as its factorization.

201233102197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

Adding to 201233102197 its reverse (791201332102), we get a palindrome (992434434299).

The spelling of 201233102197 in words is "two hundred one billion, two hundred thirty-three million, one hundred two thousand, one hundred ninety-seven".