111011001320 has 32 divisors (see below), whose sum is σ = 262920794400. Its totient is φ = 42067326528.

The previous prime is 111011001319. The next prime is 111011001329. The reversal of 111011001320 is 23100110111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111011001329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73032794 + ... + 73034313.

It is an arithmetic number, because the mean of its divisors is an integer number (8216274825).

Almost surely, 2^111011001320 is an apocalyptic number.

111011001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111011001320 is an abundant number, since it is smaller than the sum of its proper divisors (151909793080).

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

111011001320 is a wasteful number, since it uses less digits than its factorization.

111011001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146067137 (or 146067133 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 111011001320 its reverse (23100110111), we get a palindrome (134111111431).

The spelling of 111011001320 in words is "one hundred eleven billion, eleven million, one thousand, three hundred twenty".