1320022111532 has 12 divisors (see below), whose sum is σ = 2314472554296. Its totient is φ = 658744238880.

The previous prime is 1320022111523. The next prime is 1320022111543. The reversal of 1320022111532 is 2351112200231.

It is a junction number, because it is equal to n+sod(n) for n = 1320022111498 and 1320022111507.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 316701878 + ... + 316706045.

It is an arithmetic number, because the mean of its divisors is an integer number (192872712858).

Almost surely, 2^{1320022111532} is an apocalyptic number.

It is an amenable number.

1320022111532 is a deficient number, since it is larger than the sum of its proper divisors (994450442764).

1320022111532 is a wasteful number, since it uses less digits than its factorization.

1320022111532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633408448 (or 633408446 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1320022111532 its reverse (2351112200231), we get a palindrome (3671134311763).

The spelling of 1320022111532 in words is "one trillion, three hundred twenty billion, twenty-two million, one hundred eleven thousand, five hundred thirty-two".