321011122022120 has 32 divisors (see below), whose sum is σ = 732169202974920. Its totient is φ = 126645483755520.

The previous prime is 321011122022111. The next prime is 321011122022159. The reversal of 321011122022120 is 21220221110123.

It can be written as a sum of positive squares in 4 ways, for example, as 283898438709796 + 37112683312324 = 16849286^2 + 6092018^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 321011122022092 and 321011122022101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54967654961 + ... + 54967660800.

Almost surely, 2^{321011122022120} is an apocalyptic number.

It is an amenable number.

321011122022120 is an abundant number, since it is smaller than the sum of its proper divisors (411158080952800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321011122022120 is a wasteful number, since it uses less digits than its factorization.

321011122022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109935315845 (or 109935315841 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 321011122022120 its reverse (21220221110123), we get a palindrome (342231343132243).

The spelling of 321011122022120 in words is "three hundred twenty-one trillion, eleven billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty".