111320002000 has 80 divisors (see below), whose sum is σ = 275737132944. Its totient is φ = 43441920000.

The previous prime is 111320001931. The next prime is 111320002049. The reversal of 111320002000 is 200023111.

It can be written as a sum of positive squares in 8 ways, for example, as 50344589376 + 60975412624 = 224376^2 + 246932^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 596781 + ... + 760780.

Almost surely, 2^111320002000 is an apocalyptic number.

111320002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111320002000 is an abundant number, since it is smaller than the sum of its proper divisors (164417130944).

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

111320002000 is a wasteful number, since it uses less digits than its factorization.

111320002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357625 (or 1357609 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 111320002000 its reverse (200023111), we get a palindrome (111520025111).

The spelling of 111320002000 in words is "one hundred eleven billion, three hundred twenty million, two thousand".