1100001111020 has 48 divisors (see below), whose sum is σ = 2644186718208. Its totient is φ = 376545516480.

The previous prime is 1100001110987. The next prime is 1100001111029. The reversal of 1100001111020 is 201111000011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100001110989 and 1100001111007.

It is not an unprimeable number, because it can be changed into a prime (1100001111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6137612 + ... + 6314291.

It is an arithmetic number, because the mean of its divisors is an integer number (55087223296).

Almost surely, 2^{1100001111020} is an apocalyptic number.

1100001111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100001111020 is an abundant number, since it is smaller than the sum of its proper divisors (1544185607188).

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

1100001111020 is a wasteful number, since it uses less digits than its factorization.

1100001111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12452550 (or 12452548 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1100001111020 its reverse (201111000011), we get a palindrome (1301112111031).

The spelling of 1100001111020 in words is "one trillion, one hundred billion, one million, one hundred eleven thousand, twenty".