1320440001121 has 2 divisors, whose sum is σ = 1320440001122. Its totient is φ = 1320440001120.

The previous prime is 1320440001091. The next prime is 1320440001151. The reversal of 1320440001121 is 1211000440231.

It is a balanced prime because it is at equal distance from previous prime (1320440001091) and next prime (1320440001151).

It can be written as a sum of positive squares in only one way, i.e., 891965024721 + 428474976400 = 944439^2 + 654580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320440001121 - 2¹³ = 1320439992929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320440001151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660220000560 + 660220000561.

It is an arithmetic number, because the mean of its divisors is an integer number (660220000561).

Almost surely, 2^{1320440001121} is an apocalyptic number.

It is an amenable number.

1320440001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320440001121 is an equidigital number, since it uses as much as digits as its factorization.

1320440001121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1320440001121 its reverse (1211000440231), we get a palindrome (2531440441352).

The spelling of 1320440001121 in words is "one trillion, three hundred twenty billion, four hundred forty million, one thousand, one hundred twenty-one".