1320214111 has 4 divisors (see below), whose sum is σ = 1323365400. Its totient is φ = 1317062824.

The previous prime is 1320214097. The next prime is 1320214121. The reversal of 1320214111 is 1114120231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320214111 - 2⁹ = 1320213599 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 (1320214121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575016 + ... + 1575853.

It is an arithmetic number, because the mean of its divisors is an integer number (330841350).

Almost surely, 2^1320214111 is an apocalyptic number.

1320214111 is a deficient number, since it is larger than the sum of its proper divisors (3151289).

1320214111 is an equidigital number, since it uses as much as digits as its factorization.

1320214111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151288.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1320214111 is about 36334.7507353498. The cubic root of 1320214111 is about 1097.0206182606.

Adding to 1320214111 its reverse (1114120231), we get a palindrome (2434334342).

The spelling of 1320214111 in words is "one billion, three hundred twenty million, two hundred fourteen thousand, one hundred eleven".