121333011323441 has 2 divisors, whose sum is σ = 121333011323442. Its totient is φ = 121333011323440.

The previous prime is 121333011323437. The next prime is 121333011323549. The reversal of 121333011323441 is 144323110333121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78770435323441 + 42562576000000 = 8875271^2 + 6524000^2 .

It is an emirp because it is prime and its reverse (144323110333121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121333011323441 - 2² = 121333011323437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121333011323398 and 121333011323407.

It is not a weakly prime, because it can be changed into another prime (121333011313441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666505661720 + 60666505661721.

It is an arithmetic number, because the mean of its divisors is an integer number (60666505661721).

Almost surely, 2^{121333011323441} is an apocalyptic number.

It is an amenable number.

121333011323441 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333011323441 is an equidigital number, since it uses as much as digits as its factorization.

121333011323441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 121333011323441 its reverse (144323110333121), we get a palindrome (265656121656562).

The spelling of 121333011323441 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, eleven million, three hundred twenty-three thousand, four hundred forty-one".