321011012122 has 8 divisors (see below), whose sum is σ = 481757644116. Its totient is φ = 160425130752.

The previous prime is 321011012117. The next prime is 321011012143. The reversal of 321011012122 is 221210110123.

It can be written as a sum of positive squares in 2 ways, for example, as 312535784401 + 8475227721 = 559049^2 + 92061^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 321011012096 and 321011012105.

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, 40182663 + ... + 40190650.

Almost surely, 2^321011012122 is an apocalyptic number.

321011012122 is a deficient number, since it is larger than the sum of its proper divisors (160746631994).

321011012122 is a wasteful number, since it uses less digits than its factorization.

321011012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80375312.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 321011012122 its reverse (221210110123), we get a palindrome (542221122245).

The spelling of 321011012122 in words is "three hundred twenty-one billion, eleven million, twelve thousand, one hundred twenty-two".