121331111023301 has 2 divisors, whose sum is σ = 121331111023302. Its totient is φ = 121331111023300.

The previous prime is 121331111023247. The next prime is 121331111023351. The reversal of 121331111023301 is 103320111133121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105915075165025 + 15416035858276 = 10291505^2 + 3926326^2 .

It is a cyclic number.

It is not a de Polignac number, because 121331111023301 - 2⁶ = 121331111023237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121331111023351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665555511650 + 60665555511651.

It is an arithmetic number, because the mean of its divisors is an integer number (60665555511651).

Almost surely, 2^{121331111023301} is an apocalyptic number.

It is an amenable number.

121331111023301 is a deficient number, since it is larger than the sum of its proper divisors (1).

121331111023301 is an equidigital number, since it uses as much as digits as its factorization.

121331111023301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 121331111023301 its reverse (103320111133121), we get a palindrome (224651222156422).

The spelling of 121331111023301 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, one hundred eleven million, twenty-three thousand, three hundred one".