1320101011111 has 8 divisors (see below), whose sum is σ = 1322893186560. Its totient is φ = 1317311566872.

The previous prime is 1320101011069. The next prime is 1320101011139. The reversal of 1320101011111 is 1111101010231.

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 1320101011111 - 2⁷ = 1320101010983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320101011091 and 1320101011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320101021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286350 + ... + 1649908.

It is an arithmetic number, because the mean of its divisors is an integer number (165361648320).

Almost surely, 2^{1320101011111} is an apocalyptic number.

1320101011111 is a deficient number, since it is larger than the sum of its proper divisors (2792175449).

1320101011111 is a wasteful number, since it uses less digits than its factorization.

1320101011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365605.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1320101011111 its reverse (1111101010231), we get a palindrome (2431202021342).

The spelling of 1320101011111 in words is "one trillion, three hundred twenty billion, one hundred one million, eleven thousand, one hundred eleven".