1320211322111 has 8 divisors (see below), whose sum is σ = 1467404694864. Its totient is φ = 1177546976320.

The previous prime is 1320211322083. The next prime is 1320211322137. The reversal of 1320211322111 is 1112231120231.

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

It is not a de Polignac number, because 1320211322111 - 2³⁴ = 1303031452927 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 (1320211322611) 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, 1132256126 + ... + 1132257291.

It is an arithmetic number, because the mean of its divisors is an integer number (183425586858).

Almost surely, 2^{1320211322111} is an apocalyptic number.

1320211322111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320211322111 is a deficient number, since it is larger than the sum of its proper divisors (147193372753).

1320211322111 is a wasteful number, since it uses less digits than its factorization.

1320211322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264513481.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1320211322111 its reverse (1112231120231), we get a palindrome (2432442442342).

The spelling of 1320211322111 in words is "one trillion, three hundred twenty billion, two hundred eleven million, three hundred twenty-two thousand, one hundred eleven".