100301121302321 has 4 divisors (see below), whose sum is σ = 100301143607412. Its totient is φ = 100301098997232.

The previous prime is 100301121302311. The next prime is 100301121302329. The reversal of 100301121302321 is 123203121103001.

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 50287032082225 + 50014089220096 = 7091335^2 + 7072064^2 .

It is a cyclic number.

It is not a de Polignac number, because 100301121302321 - 2⁴² = 95903074791217 is a prime.

It is a super-2 number, since 2×100301121302321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100301121302293 and 100301121302302.

It is not an unprimeable number, because it can be changed into a prime (100301121302329) 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, 1784150 + ... + 14275343.

It is an arithmetic number, because the mean of its divisors is an integer number (25075285901853).

Almost surely, 2^{100301121302321} is an apocalyptic number.

It is an amenable number.

100301121302321 is a deficient number, since it is larger than the sum of its proper divisors (22305091).

100301121302321 is an equidigital number, since it uses as much as digits as its factorization.

100301121302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22305090.

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

Adding to 100301121302321 its reverse (123203121103001), we get a palindrome (223504242405322).

The spelling of 100301121302321 in words is "one hundred trillion, three hundred one billion, one hundred twenty-one million, three hundred two thousand, three hundred twenty-one".