102200012311321 has 4 divisors (see below), whose sum is σ = 102202781020852. Its totient is φ = 102197243601792.

The previous prime is 102200012311279. The next prime is 102200012311333. The reversal of 102200012311321 is 123113210002201.

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 100883221636096 + 1316790675225 = 10044064^2 + 1147515^2 .

It is a cyclic number.

It is not a de Polignac number, because 102200012311321 - 2⁷ = 102200012311193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102200012311361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384299396 + ... + 1384373221.

It is an arithmetic number, because the mean of its divisors is an integer number (25550695255213).

Almost surely, 2^{102200012311321} is an apocalyptic number.

It is an amenable number.

102200012311321 is a deficient number, since it is larger than the sum of its proper divisors (2768709531).

102200012311321 is an equidigital number, since it uses as much as digits as its factorization.

102200012311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768709530.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102200012311321 its reverse (123113210002201), we get a palindrome (225313222313522).

The spelling of 102200012311321 in words is "one hundred two trillion, two hundred billion, twelve million, three hundred eleven thousand, three hundred twenty-one".