321112202122 has 8 divisors (see below), whose sum is σ = 510001732836. Its totient is φ = 151111624512.

The previous prime is 321112202107. The next prime is 321112202189. The reversal of 321112202122 is 221202211123.

It can be written as a sum of positive squares in 2 ways, for example, as 277243318521 + 43868883601 = 526539^2 + 209449^2 .

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

It is a super-2 number, since 2×321112202122² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321112202122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4722238233 + ... + 4722238300.

Almost surely, 2^321112202122 is an apocalyptic number.

321112202122 is a deficient number, since it is larger than the sum of its proper divisors (188889530714).

321112202122 is a wasteful number, since it uses less digits than its factorization.

321112202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444476552.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 321112202122 its reverse (221202211123), we get a palindrome (542314413245).

Subtracting from 321112202122 its reverse (221202211123), we obtain a palindrome (99909990999).

The spelling of 321112202122 in words is "three hundred twenty-one billion, one hundred twelve million, two hundred two thousand, one hundred twenty-two".