1100023311120 has 80 divisors (see below), whose sum is σ = 3502236408000. Its totient is φ = 285411451392.

The previous prime is 1100023311097. The next prime is 1100023311131. The reversal of 1100023311120 is 211133200011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1100023311120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61929370 + ... + 61947129.

It is an arithmetic number, because the mean of its divisors is an integer number (43777955100).

Almost surely, 2^{1100023311120} is an apocalyptic number.

1100023311120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100023311120 is an abundant number, since it is smaller than the sum of its proper divisors (2402213096880).

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

1100023311120 is a wasteful number, since it uses less digits than its factorization.

1100023311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123876552 (or 123876546 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1100023311120 its reverse (211133200011), we get a palindrome (1311156511131).

The spelling of 1100023311120 in words is "one trillion, one hundred billion, twenty-three million, three hundred eleven thousand, one hundred twenty".