321221102113 has 8 divisors (see below), whose sum is σ = 321826671296. Its totient is φ = 320615895600.

The previous prime is 321221102101. The next prime is 321221102119. The reversal of 321221102113 is 311201122123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321221102113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321221102119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716220 + ... + 1894162.

It is an arithmetic number, because the mean of its divisors is an integer number (40228333912).

Almost surely, 2^321221102113 is an apocalyptic number.

It is an amenable number.

321221102113 is a deficient number, since it is larger than the sum of its proper divisors (605569183).

321221102113 is a wasteful number, since it uses less digits than its factorization.

321221102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181335.

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

Adding to 321221102113 its reverse (311201122123), we get a palindrome (632422224236).

The spelling of 321221102113 in words is "three hundred twenty-one billion, two hundred twenty-one million, one hundred two thousand, one hundred thirteen".