111101002320 has 320 divisors, whose sum is σ = 439387305984. Its totient is φ = 22548879360.

The previous prime is 111101002291. The next prime is 111101002351. The reversal of 111101002320 is 23200101111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111101002296 and 111101002305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 724734 + ... + 864546.

Almost surely, 2^111101002320 is an apocalyptic number.

111101002320 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 111101002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219693652992).

111101002320 is an abundant number, since it is smaller than the sum of its proper divisors (328286303664).

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

111101002320 is a wasteful number, since it uses less digits than its factorization.

111101002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139890 (or 139884 counting only the distinct ones).

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

Adding to 111101002320 its reverse (23200101111), we get a palindrome (134301103431).

The spelling of 111101002320 in words is "one hundred eleven billion, one hundred one million, two thousand, three hundred twenty".