111323020000 has 120 divisors (see below), whose sum is σ = 276699565296. Its totient is φ = 44069376000.

The previous prime is 111323019979. The next prime is 111323020009. The reversal of 111323020000 is 20323111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111323020009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1911309 + ... + 1968691.

Almost surely, 2^111323020000 is an apocalyptic number.

111323020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111323020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138349782648).

111323020000 is an abundant number, since it is smaller than the sum of its proper divisors (165376545296).

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

111323020000 is an frugal number, since it uses more digits than its factorization.

111323020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57510 (or 57487 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 111323020000 its reverse (20323111), we get a palindrome (111343343111).

The spelling of 111323020000 in words is "one hundred eleven billion, three hundred twenty-three million, twenty thousand".