101321301121213 has 4 divisors (see below), whose sum is σ = 104815139090940. Its totient is φ = 97827463151488.

The previous prime is 101321301121043. The next prime is 101321301121253. The reversal of 101321301121213 is 312121103123101.

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 20069880323364 + 81251420797849 = 4479942^2 + 9013957^2 .

It is a cyclic number.

It is not a de Polignac number, because 101321301121213 - 2¹⁷ = 101321300990141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321301121253) by changing a digit.

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, 1746918984820 + ... + 1746918984877.

It is an arithmetic number, because the mean of its divisors is an integer number (26203784772735).

Almost surely, 2^{101321301121213} is an apocalyptic number.

It is an amenable number.

101321301121213 is a deficient number, since it is larger than the sum of its proper divisors (3493837969727).

101321301121213 is an equidigital number, since it uses as much as digits as its factorization.

101321301121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493837969726.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 101321301121213 its reverse (312121103123101), we get a palindrome (413442404244314).

The spelling of 101321301121213 in words is "one hundred one trillion, three hundred twenty-one billion, three hundred one million, one hundred twenty-one thousand, two hundred thirteen".