1323201202111 has 6 divisors (see below), whose sum is σ = 1370402197112. Its totient is φ = 1277573573640.

The previous prime is 1323201202069. The next prime is 1323201202129. The reversal of 1323201202111 is 1112021023231.

It is not a de Polignac number, because 1323201202111 - 2¹¹ = 1323201200063 is a prime.

It is a super-2 number, since 2×1323201202111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323201205111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786682395 + ... + 786684076.

Almost surely, 2^{1323201202111} is an apocalyptic number.

1323201202111 is a deficient number, since it is larger than the sum of its proper divisors (47200995001).

1323201202111 is an equidigital number, since it uses as much as digits as its factorization.

1323201202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573366529 (or 1573366500 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1323201202111 its reverse (1112021023231), we get a palindrome (2435222225342).

The spelling of 1323201202111 in words is "one trillion, three hundred twenty-three billion, two hundred one million, two hundred two thousand, one hundred eleven".