321221012222241 has 12 divisors (see below), whose sum is σ = 464161194037632. Its totient is φ = 214066439561016.

The previous prime is 321221012222219. The next prime is 321221012222303. The reversal of 321221012222241 is 142222210122123.

321221012222241 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 210 + 1 + 222 + 224 + 1 = 666.

It is not a de Polignac number, because 321221012222241 - 2⁶ = 321221012222177 is a prime.

It is a super-2 number, since 2×321221012222241² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321221012222141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6741801561 + ... + 6741849206.

It is an arithmetic number, because the mean of its divisors is an integer number (38680099503136).

Almost surely, 2^{321221012222241} is an apocalyptic number.

It is an amenable number.

321221012222241 is a deficient number, since it is larger than the sum of its proper divisors (142940181815391).

321221012222241 is a wasteful number, since it uses less digits than its factorization.

321221012222241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13483653420 (or 13483653417 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 321221012222241 its reverse (142222210122123), we get a palindrome (463443222344364).

The spelling of 321221012222241 in words is "three hundred twenty-one trillion, two hundred twenty-one billion, twelve million, two hundred twenty-two thousand, two hundred forty-one".