121331200097 has 2 divisors, whose sum is σ = 121331200098. Its totient is φ = 121331200096.

The previous prime is 121331200093. The next prime is 121331200129. The reversal of 121331200097 is 790002133121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85427013841 + 35904186256 = 292279^2 + 189484^2 .

It is a cyclic number.

It is not a de Polignac number, because 121331200097 - 2² = 121331200093 is a prime.

It is not a weakly prime, because it can be changed into another prime (121331200093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665600048 + 60665600049.

It is an arithmetic number, because the mean of its divisors is an integer number (60665600049).

Almost surely, 2^121331200097 is an apocalyptic number.

It is an amenable number.

121331200097 is a deficient number, since it is larger than the sum of its proper divisors (1).

121331200097 is an equidigital number, since it uses as much as digits as its factorization.

121331200097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 121331200097 in words is "one hundred twenty-one billion, three hundred thirty-one million, two hundred thousand, ninety-seven".