1323311211201 has 48 divisors (see below), whose sum is σ = 2180897348544. Its totient is φ = 709181577216.

The previous prime is 1323311211151. The next prime is 1323311211281. The reversal of 1323311211201 is 1021121133231.

It is not a de Polignac number, because 1323311211201 - 2¹⁸ = 1323310949057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1323311211281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228360 + ... + 1642793.

It is an arithmetic number, because the mean of its divisors is an integer number (45435361428).

Almost surely, 2^{1323311211201} is an apocalyptic number.

It is an amenable number.

1323311211201 is a deficient number, since it is larger than the sum of its proper divisors (857586137343).

1323311211201 is a wasteful number, since it uses less digits than its factorization.

1323311211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871470 (or 1871463 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1323311211201 its reverse (1021121133231), we get a palindrome (2344432344432).

The spelling of 1323311211201 in words is "one trillion, three hundred twenty-three billion, three hundred eleven million, two hundred eleven thousand, two hundred one".