321102111131 has 2 divisors, whose sum is σ = 321102111132. Its totient is φ = 321102111130.

The previous prime is 321102111067. The next prime is 321102111137. The reversal of 321102111131 is 131111201123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321102111131 - 2⁶ = 321102111067 is a prime.

It is a super-2 number, since 2×321102111131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321102111137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160551055565 + 160551055566.

It is an arithmetic number, because the mean of its divisors is an integer number (160551055566).

Almost surely, 2^321102111131 is an apocalyptic number.

321102111131 is a deficient number, since it is larger than the sum of its proper divisors (1).

321102111131 is an equidigital number, since it uses as much as digits as its factorization.

321102111131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 321102111131 its reverse (131111201123), we get a palindrome (452213312254).

The spelling of 321102111131 in words is "three hundred twenty-one billion, one hundred two million, one hundred eleven thousand, one hundred thirty-one".