1320111002 has 16 divisors (see below), whose sum is σ = 2284200000. Its totient is φ = 560473728.

The previous prime is 1320110971. The next prime is 1320111031. The reversal of 1320111002 is 2001110231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439127 + ... + 442122.

It is an arithmetic number, because the mean of its divisors is an integer number (142762500).

Almost surely, 2^1320111002 is an apocalyptic number.

1320111002 is a deficient number, since it is larger than the sum of its proper divisors (964088998).

1320111002 is a wasteful number, since it uses less digits than its factorization.

1320111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881365.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1320111002 is about 36333.3318318043. The cubic root of 1320111002 is about 1096.9920583366.

Adding to 1320111002 its reverse (2001110231), we get a palindrome (3321221233).

The spelling of 1320111002 in words is "one billion, three hundred twenty million, one hundred eleven thousand, two".