101201211197 has 2 divisors, whose sum is σ = 101201211198. Its totient is φ = 101201211196.

The previous prime is 101201211161. The next prime is 101201211313. The reversal of 101201211197 is 791112102101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60156882361 + 41044328836 = 245269^2 + 202594^2 .

It is a cyclic number.

It is not a de Polignac number, because 101201211197 - 2²⁰ = 101200162621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201211997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600605598 + 50600605599.

It is an arithmetic number, because the mean of its divisors is an integer number (50600605599).

Almost surely, 2^101201211197 is an apocalyptic number.

It is an amenable number.

101201211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201211197 is an equidigital number, since it uses as much as digits as its factorization.

101201211197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 26.

Adding to 101201211197 its reverse (791112102101), we get a palindrome (892313313298).

The spelling of 101201211197 in words is "one hundred one billion, two hundred one million, two hundred eleven thousand, one hundred ninety-seven".