121330110203231 has 2 divisors, whose sum is σ = 121330110203232. Its totient is φ = 121330110203230.

The previous prime is 121330110203219. The next prime is 121330110203257. The reversal of 121330110203231 is 132302011033121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121330110203231 - 2¹⁰ = 121330110202207 is a prime.

It is a super-2 number, since 2×121330110203231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121330110203197 and 121330110203206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121330110203201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665055101615 + 60665055101616.

It is an arithmetic number, because the mean of its divisors is an integer number (60665055101616).

Almost surely, 2^{121330110203231} is an apocalyptic number.

121330110203231 is a deficient number, since it is larger than the sum of its proper divisors (1).

121330110203231 is an equidigital number, since it uses as much as digits as its factorization.

121330110203231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121330110203231 its reverse (132302011033121), we get a palindrome (253632121236352).

The spelling of 121330110203231 in words is "one hundred twenty-one trillion, three hundred thirty billion, one hundred ten million, two hundred three thousand, two hundred thirty-one".