1100001111012 has 72 divisors (see below), whose sum is σ = 2789805957120. Its totient is φ = 365448948480.

The previous prime is 1100001110987. The next prime is 1100001111029. The reversal of 1100001111012 is 2101111000011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100001110985 and 1100001111003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19813212 + ... + 19868652.

It is an arithmetic number, because the mean of its divisors is an integer number (38747304960).

Almost surely, 2^{1100001111012} is an apocalyptic number.

1100001111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100001111012 is an abundant number, since it is smaller than the sum of its proper divisors (1689804846108).

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

1100001111012 is a wasteful number, since it uses less digits than its factorization.

1100001111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57273 (or 57268 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100001111012 its reverse (2101111000011), we get a palindrome (3201112111023).

The spelling of 1100001111012 in words is "one trillion, one hundred billion, one million, one hundred eleven thousand, twelve".