671321020110 has 64 divisors (see below), whose sum is σ = 1736790612480. Its totient is φ = 165087872640.

The previous prime is 671321020093. The next prime is 671321020127. The reversal of 671321020110 is 11020123176.

It is an interprime number because it is at equal distance from previous prime (671321020093) and next prime (671321020127).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432700 + ... + 1236879.

It is an arithmetic number, because the mean of its divisors is an integer number (27137353320).

Almost surely, 2^671321020110 is an apocalyptic number.

671321020110 is an abundant number, since it is smaller than the sum of its proper divisors (1065469592370).

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

671321020110 is a wasteful number, since it uses less digits than its factorization.

671321020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670633.

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 671321020110 its reverse (11020123176), we get a palindrome (682341143286).

The spelling of 671321020110 in words is "six hundred seventy-one billion, three hundred twenty-one million, twenty thousand, one hundred ten".