1320111022 has 4 divisors (see below), whose sum is σ = 1980166536. Its totient is φ = 660055510.

The previous prime is 1320110971. The next prime is 1320111031. The reversal of 1320111022 is 2201110231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2201110231 = 829 ⋅2655139.

It is a super-2 number, since 2×1320111022² = 3485386220811768968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320110993 and 1320111011.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 330027754 + ... + 330027757.

It is an arithmetic number, because the mean of its divisors is an integer number (495041634).

Almost surely, 2^1320111022 is an apocalyptic number.

1320111022 is a deficient number, since it is larger than the sum of its proper divisors (660055514).

1320111022 is an equidigital number, since it uses as much as digits as its factorization.

1320111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660055513.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1320111022 is about 36333.3321070336. The cubic root of 1320111022 is about 1096.9920638765.

Adding to 1320111022 its reverse (2201110231), we get a palindrome (3521221253).

It can be divided in two parts, 1 and 320111022, that added together give a palindrome (320111023).

The spelling of 1320111022 in words is "one billion, three hundred twenty million, one hundred eleven thousand, twenty-two".