321114421221 has 16 divisors (see below), whose sum is σ = 470168744448. Its totient is φ = 193325958000.

The previous prime is 321114421189. The next prime is 321114421223. The reversal of 321114421221 is 122124411123.

It is not a de Polignac number, because 321114421221 - 2⁵ = 321114421189 is a prime.

It is a super-2 number, since 2×321114421221² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321114421191 and 321114421200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321114421223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32216011 + ... + 32225976.

It is an arithmetic number, because the mean of its divisors is an integer number (29385546528).

Almost surely, 2^321114421221 is an apocalyptic number.

It is an amenable number.

321114421221 is a deficient number, since it is larger than the sum of its proper divisors (149054323227).

321114421221 is a wasteful number, since it uses less digits than its factorization.

321114421221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64442152.

The product of its digits is 768, while the sum is 24.

Adding to 321114421221 its reverse (122124411123), we get a palindrome (443238832344).

The spelling of 321114421221 in words is "three hundred twenty-one billion, one hundred fourteen million, four hundred twenty-one thousand, two hundred twenty-one".