1101113023120 has 80 divisors (see below), whose sum is σ = 2792992129920. Its totient is φ = 400380492800.

The previous prime is 1101113023099. The next prime is 1101113023121. The reversal of 1101113023120 is 213203111011.

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 (16).

It is a junction number, because it is equal to n+sod(n) for n = 1101113023094 and 1101113023103.

It is not an unprimeable number, because it can be changed into a prime (1101113023121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21383805 + ... + 21435235.

It is an arithmetic number, because the mean of its divisors is an integer number (34912401624).

Almost surely, 2^{1101113023120} is an apocalyptic number.

1101113023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101113023120 is an abundant number, since it is smaller than the sum of its proper divisors (1691879106800).

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

1101113023120 is a wasteful number, since it uses less digits than its factorization.

1101113023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75784 (or 75778 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101113023120 its reverse (213203111011), we get a palindrome (1314316134131).

The spelling of 1101113023120 in words is "one trillion, one hundred one billion, one hundred thirteen million, twenty-three thousand, one hundred twenty".