320100111100 has 144 divisors (see below), whose sum is σ = 916958810880. Its totient is φ = 93902515200.

The previous prime is 320100111017. The next prime is 320100111119. The reversal of 320100111100 is 1111001023.

It is a super-2 number, since 2×320100111100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 1091790 + ... + 1353589.

It is an arithmetic number, because the mean of its divisors is an integer number (6367769520).

Almost surely, 2^320100111100 is an apocalyptic number.

It is an amenable number.

320100111100 is an abundant number, since it is smaller than the sum of its proper divisors (596858699780).

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

320100111100 is a wasteful number, since it uses less digits than its factorization.

320100111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445428 (or 2445421 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 320100111100 its reverse (1111001023), we get a palindrome (321211112123).

The spelling of 320100111100 in words is "three hundred twenty billion, one hundred million, one hundred eleven thousand, one hundred".