321102123130 has 16 divisors (see below), whose sum is σ = 578133899784. Its totient is φ = 128407498560.

The previous prime is 321102123113. The next prime is 321102123131. The reversal of 321102123130 is 31321201123.

It can be written as a sum of positive squares in 4 ways, for example, as 298698320089 + 22403803041 = 546533^2 + 149679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321102123098 and 321102123107.

It is not an unprimeable number, because it can be changed into a prime (321102123131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4128381 + ... + 4205440.

Almost surely, 2^321102123130 is an apocalyptic number.

321102123130 is a deficient number, since it is larger than the sum of its proper divisors (257031776654).

321102123130 is a wasteful number, since it uses less digits than its factorization.

321102123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337681.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321102123130 its reverse (31321201123), we get a palindrome (352423324253).

The spelling of 321102123130 in words is "three hundred twenty-one billion, one hundred two million, one hundred twenty-three thousand, one hundred thirty".