1323101123111 has 12 divisors (see below), whose sum is σ = 1372305436632. Its totient is φ = 1275606001824.

The previous prime is 1323101123107. The next prime is 1323101123117. The reversal of 1323101123111 is 1113211013231.

It is not a de Polignac number, because 1323101123111 - 2² = 1323101123107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323101123117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577316 + ... + 1726121.

It is an arithmetic number, because the mean of its divisors is an integer number (114358786386).

Almost surely, 2^{1323101123111} is an apocalyptic number.

1323101123111 is a deficient number, since it is larger than the sum of its proper divisors (49204313521).

1323101123111 is an equidigital number, since it uses as much as digits as its factorization.

1323101123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304178 (or 2304149 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1323101123111 its reverse (1113211013231), we get a palindrome (2436312136342).

The spelling of 1323101123111 in words is "one trillion, three hundred twenty-three billion, one hundred one million, one hundred twenty-three thousand, one hundred eleven".