1320101143121 has 2 divisors, whose sum is σ = 1320101143122. Its totient is φ = 1320101143120.

The previous prime is 1320101143111. The next prime is 1320101143181. The reversal of 1320101143121 is 1213411010231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000920211600 + 319180931521 = 1000460^2 + 564961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320101143121 - 2³⁸ = 1045223236177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320101143093 and 1320101143102.

It is not a weakly prime, because it can be changed into another prime (1320101143111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660050571560 + 660050571561.

It is an arithmetic number, because the mean of its divisors is an integer number (660050571561).

Almost surely, 2^{1320101143121} is an apocalyptic number.

It is an amenable number.

1320101143121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320101143121 is an equidigital number, since it uses as much as digits as its factorization.

1320101143121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1320101143121 its reverse (1213411010231), we get a palindrome (2533512153352).

The spelling of 1320101143121 in words is "one trillion, three hundred twenty billion, one hundred one million, one hundred forty-three thousand, one hundred twenty-one".