1320100211111 has 8 divisors (see below), whose sum is σ = 1440238485648. Its totient is φ = 1199983464000.

The previous prime is 1320100211039. The next prime is 1320100211113. The reversal of 1320100211111 is 1111120010231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320100211111 - 2¹⁸ = 1320099948967 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 (1320100211113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5253500 + ... + 5499041.

It is an arithmetic number, because the mean of its divisors is an integer number (180029810706).

Almost surely, 2^{1320100211111} is an apocalyptic number.

1320100211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320100211111 is a deficient number, since it is larger than the sum of its proper divisors (120138274537).

1320100211111 is a wasteful number, since it uses less digits than its factorization.

1320100211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763713.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1320100211111 its reverse (1111120010231), we get a palindrome (2431220221342).

The spelling of 1320100211111 in words is "one trillion, three hundred twenty billion, one hundred million, two hundred eleven thousand, one hundred eleven".