1233521112401 has 2 divisors, whose sum is σ = 1233521112402. Its totient is φ = 1233521112400.

The previous prime is 1233521112389. The next prime is 1233521112413. The reversal of 1233521112401 is 1042111253321.

It is a balanced prime because it is at equal distance from previous prime (1233521112389) and next prime (1233521112413).

It can be written as a sum of positive squares in only one way, i.e., 845048140225 + 388472972176 = 919265^2 + 623276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233521112401 - 2⁶ = 1233521112337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233521112601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616760556200 + 616760556201.

It is an arithmetic number, because the mean of its divisors is an integer number (616760556201).

Almost surely, 2^{1233521112401} is an apocalyptic number.

It is an amenable number.

1233521112401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233521112401 is an equidigital number, since it uses as much as digits as its factorization.

1233521112401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1233521112401 its reverse (1042111253321), we get a palindrome (2275632365722).

The spelling of 1233521112401 in words is "one trillion, two hundred thirty-three billion, five hundred twenty-one million, one hundred twelve thousand, four hundred one".