321212101101 has 8 divisors (see below), whose sum is σ = 428319835680. Its totient is φ = 214122883632.

The previous prime is 321212101057. The next prime is 321212101103. The reversal of 321212101101 is 101101212123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321212101101 - 2¹⁸ = 321211838957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321212101103) 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 7 ways as a sum of consecutive naturals, for example, 4588750 + ... + 4658223.

It is an arithmetic number, because the mean of its divisors is an integer number (53539979460).

Almost surely, 2^321212101101 is an apocalyptic number.

It is an amenable number.

321212101101 is a deficient number, since it is larger than the sum of its proper divisors (107107734579).

321212101101 is a wasteful number, since it uses less digits than its factorization.

321212101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258555.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 321212101101 its reverse (101101212123), we get a palindrome (422313313224).

The spelling of 321212101101 in words is "three hundred twenty-one billion, two hundred twelve million, one hundred one thousand, one hundred one".