121201010112197 has 2 divisors, whose sum is σ = 121201010112198. Its totient is φ = 121201010112196.

The previous prime is 121201010112121. The next prime is 121201010112311. The reversal of 121201010112197 is 791211010102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92500711117441 + 28700298994756 = 9617729^2 + 5357266^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201010112197 - 2¹⁶ = 121201010046661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201010117197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600505056098 + 60600505056099.

It is an arithmetic number, because the mean of its divisors is an integer number (60600505056099).

Almost surely, 2^{121201010112197} is an apocalyptic number.

It is an amenable number.

121201010112197 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201010112197 is an equidigital number, since it uses as much as digits as its factorization.

121201010112197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 121201010112197 in words is "one hundred twenty-one trillion, two hundred one billion, ten million, one hundred twelve thousand, one hundred ninety-seven".