1102002321321 has 18 divisors (see below), whose sum is σ = 1749643724010. Its totient is φ = 667880194080.

The previous prime is 1102002321317. The next prime is 1102002321341. The reversal of 1102002321321 is 1231232002011.

1102002321321 is a `hidden beast` number, since 1 + 1 + 0 + 20 + 0 + 2 + 321 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1005880620096 + 96121701225 = 1002936^2 + 310035^2 .

It is not a de Polignac number, because 1102002321321 - 2² = 1102002321317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1102002321294 and 1102002321303.

It is not an unprimeable number, because it can be changed into a prime (1102002321311) 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 17 ways as a sum of consecutive naturals, for example, 505968756 + ... + 505970933.

Almost surely, 2^{1102002321321} is an apocalyptic number.

1102002321321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102002321321 is a deficient number, since it is larger than the sum of its proper divisors (647641402689).

1102002321321 is a wasteful number, since it uses less digits than its factorization.

1102002321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011939717 (or 1011939703 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1102002321321 its reverse (1231232002011), we get a palindrome (2333234323332).

The spelling of 1102002321321 in words is "one trillion, one hundred two billion, two million, three hundred twenty-one thousand, three hundred twenty-one".