1320112321011 has 24 divisors (see below), whose sum is σ = 2080340121600. Its totient is φ = 800005330800.

The previous prime is 1320112320991. The next prime is 1320112321111. The reversal of 1320112321011 is 1101232110231.

1320112321011 is a `hidden beast` number, since 1 + 320 + 1 + 12 + 321 + 0 + 11 = 666.

It is not a de Polignac number, because 1320112321011 - 2¹³ = 1320112312819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320112321111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761790 + ... + 1794588.

It is an arithmetic number, because the mean of its divisors is an integer number (86680838400).

Almost surely, 2^{1320112321011} is an apocalyptic number.

1320112321011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320112321011 is a deficient number, since it is larger than the sum of its proper divisors (760227800589).

1320112321011 is a wasteful number, since it uses less digits than its factorization.

1320112321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045727 (or 1045724 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1320112321011 its reverse (1101232110231), we get a palindrome (2421344431242).

The spelling of 1320112321011 in words is "one trillion, three hundred twenty billion, one hundred twelve million, three hundred twenty-one thousand, eleven".