321121010122 has 16 divisors (see below), whose sum is σ = 542421414144. Its totient is φ = 141255576000.

The previous prime is 321121010101. The next prime is 321121010137. The reversal of 321121010122 is 221010121123.

It is a junction number, because it is equal to n+sod(n) for n = 321121010096 and 321121010105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235425279 + ... + 235426642.

It is an arithmetic number, because the mean of its divisors is an integer number (33901338384).

Almost surely, 2^321121010122 is an apocalyptic number.

321121010122 is a deficient number, since it is larger than the sum of its proper divisors (221300404022).

321121010122 is a wasteful number, since it uses less digits than its factorization.

321121010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470851965.

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

Adding to 321121010122 its reverse (221010121123), we get a palindrome (542131131245).

The spelling of 321121010122 in words is "three hundred twenty-one billion, one hundred twenty-one million, ten thousand, one hundred twenty-two".