110001200120 has 64 divisors (see below), whose sum is σ = 282916670400. Its totient is φ = 37707171840.

The previous prime is 110001200087. The next prime is 110001200123. The reversal of 110001200120 is 21002100011.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 110001200098 and 110001200107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001200123) 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, 1470176 + ... + 1543184.

It is an arithmetic number, because the mean of its divisors is an integer number (4420572975).

Almost surely, 2^110001200120 is an apocalyptic number.

110001200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110001200120 is an abundant number, since it is smaller than the sum of its proper divisors (172915470280).

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

110001200120 is a wasteful number, since it uses less digits than its factorization.

110001200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78408 (or 78404 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 110001200120 its reverse (21002100011), we get a palindrome (131003300131).

The spelling of 110001200120 in words is "one hundred ten billion, one million, two hundred thousand, one hundred twenty".