121132213223321 has 2 divisors, whose sum is σ = 121132213223322. Its totient is φ = 121132213223320.

The previous prime is 121132213223311. The next prime is 121132213223383. The reversal of 121132213223321 is 123322312231121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68000869957696 + 53131343265625 = 8246264^2 + 7289125^2 .

It is a cyclic number.

It is not a de Polignac number, because 121132213223321 - 2⁴⁶ = 50763469045657 is a prime.

It is not a weakly prime, because it can be changed into another prime (121132213223311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566106611660 + 60566106611661.

It is an arithmetic number, because the mean of its divisors is an integer number (60566106611661).

Almost surely, 2^{121132213223321} is an apocalyptic number.

It is an amenable number.

121132213223321 is a deficient number, since it is larger than the sum of its proper divisors (1).

121132213223321 is an equidigital number, since it uses as much as digits as its factorization.

121132213223321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

Adding to 121132213223321 its reverse (123322312231121), we get a palindrome (244454525454442).

The spelling of 121132213223321 in words is "one hundred twenty-one trillion, one hundred thirty-two billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred twenty-one".