111113312001000 has 128 divisors (see below), whose sum is σ = 349203998482560. Its totient is φ = 29413937472000.

The previous prime is 111113312000983. The next prime is 111113312001011. The reversal of 111113312001000 is 100213311111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134763346 + ... + 135585345.

It is an arithmetic number, because the mean of its divisors is an integer number (2728156238145).

Almost surely, 2^{111113312001000} is an apocalyptic number.

111113312001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111113312001000 is an abundant number, since it is smaller than the sum of its proper divisors (238090686481560).

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

111113312001000 is a wasteful number, since it uses less digits than its factorization.

111113312001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270348852 (or 270348838 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111113312001000 its reverse (100213311111), we get a palindrome (111213525312111).

The spelling of 111113312001000 in words is "one hundred eleven trillion, one hundred thirteen billion, three hundred twelve million, one thousand".