103213322212321 has 4 divisors (see below), whose sum is σ = 103213347346692. Its totient is φ = 103213297077952.

The previous prime is 103213322212307. The next prime is 103213322212337. The reversal of 103213322212321 is 123212223312301.

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 34773854188096 + 68439468024225 = 5896936^2 + 8272815^2 .

It is a cyclic number.

It is not a de Polignac number, because 103213322212321 - 2³⁷ = 103075883258849 is a prime.

It is a super-3 number, since 3×103213322212321³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103213322212321.

It is not an unprimeable number, because it can be changed into a prime (103213322282321) 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, 4812436 + ... + 15152101.

It is an arithmetic number, because the mean of its divisors is an integer number (25803336836673).

Almost surely, 2^{103213322212321} is an apocalyptic number.

It is an amenable number.

103213322212321 is a deficient number, since it is larger than the sum of its proper divisors (25134371).

103213322212321 is an equidigital number, since it uses as much as digits as its factorization.

103213322212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25134370.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 103213322212321 its reverse (123212223312301), we get a palindrome (226425545524622).

The spelling of 103213322212321 in words is "one hundred three trillion, two hundred thirteen billion, three hundred twenty-two million, two hundred twelve thousand, three hundred twenty-one".