10200111323321 has 4 divisors (see below), whose sum is σ = 10301102524644. Its totient is φ = 10099120122000.

The previous prime is 10200111323273. The next prime is 10200111323329. The reversal of 10200111323321 is 12332311100201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8916410993296 + 1283700330025 = 2986036^2 + 1133005^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200111323321 - 2¹⁸ = 10200111061177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200111323293 and 10200111323302.

It is not an unprimeable number, because it can be changed into a prime (10200111323329) 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 3 ways as a sum of consecutive naturals, for example, 50495600510 + ... + 50495600711.

It is an arithmetic number, because the mean of its divisors is an integer number (2575275631161).

Almost surely, 2^{10200111323321} is an apocalyptic number.

It is an amenable number.

10200111323321 is a deficient number, since it is larger than the sum of its proper divisors (100991201323).

10200111323321 is a wasteful number, since it uses less digits than its factorization.

10200111323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100991201322.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10200111323321 its reverse (12332311100201), we get a palindrome (22532422423522).

The spelling of 10200111323321 in words is "ten trillion, two hundred billion, one hundred eleven million, three hundred twenty-three thousand, three hundred twenty-one".