321120222201 has 32 divisors (see below), whose sum is σ = 491536823040. Its totient is φ = 207082512000.

The previous prime is 321120222167. The next prime is 321120222209. The reversal of 321120222201 is 102222021123.

321120222201 is a `hidden beast` number, since 321 + 120 + 2 + 2 + 220 + 1 = 666.

321120222201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 321120222201 - 2²⁷ = 320986004473 is a prime.

It is a super-3 number, since 3×321120222201³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (321120222209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478700 + ... + 1681901.

It is an arithmetic number, because the mean of its divisors is an integer number (15360525720).

Almost surely, 2^321120222201 is an apocalyptic number.

It is an amenable number.

321120222201 is a deficient number, since it is larger than the sum of its proper divisors (170416600839).

321120222201 is a wasteful number, since it uses less digits than its factorization.

321120222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160734 (or 3160728 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 321120222201 its reverse (102222021123), we get a palindrome (423342243324).

The spelling of 321120222201 in words is "three hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred one".