321111100147 has 2 divisors, whose sum is σ = 321111100148. Its totient is φ = 321111100146.

The previous prime is 321111100109. The next prime is 321111100187. The reversal of 321111100147 is 741001111123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321111100147 - 2³⁵ = 286751361779 is a prime.

It is a super-2 number, since 2×321111100147² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321111100187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160555550073 + 160555550074.

It is an arithmetic number, because the mean of its divisors is an integer number (160555550074).

Almost surely, 2^321111100147 is an apocalyptic number.

321111100147 is a deficient number, since it is larger than the sum of its proper divisors (1).

321111100147 is an equidigital number, since it uses as much as digits as its factorization.

321111100147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

The spelling of 321111100147 in words is "three hundred twenty-one billion, one hundred eleven million, one hundred thousand, one hundred forty-seven".