111301000000 has 98 divisors (see below), whose sum is σ = 276077598974. Its totient is φ = 44520000000.

The previous prime is 111300999961. The next prime is 111301000003. The reversal of 111301000000 is 103111.

It is a happy number.

It can be written as a sum of positive squares in 7 ways, for example, as 106359472384 + 4941527616 = 326128^2 + 70296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111301000003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 944350 + ... + 1055650.

Almost surely, 2^111301000000 is an apocalyptic number.

111301000000 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 111301000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138038799487).

111301000000 is an abundant number, since it is smaller than the sum of its proper divisors (164776598974).

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

111301000000 is an frugal number, since it uses more digits than its factorization.

111301000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111343 (or 111308 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 111301000000 its reverse (103111), we get a palindrome (111301103111).

The spelling of 111301000000 in words is "one hundred eleven billion, three hundred one million", and thus it is an aban number.