120001120110 has 112 divisors (see below), whose sum is σ = 329345120880. Its totient is φ = 31457808000.

The previous prime is 120001120093. The next prime is 120001120117. The reversal of 120001120110 is 11021100021.

It is a happy number.

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 = 120001120092 and 120001120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001120117) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 290610 + ... + 569610.

Almost surely, 2^120001120110 is an apocalyptic number.

120001120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120001120110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164672560440).

120001120110 is an abundant number, since it is smaller than the sum of its proper divisors (209344000770).

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

120001120110 is an equidigital number, since it uses as much as digits as its factorization.

120001120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279085 (or 279070 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120001120110 its reverse (11021100021), we get a palindrome (131022220131).

The spelling of 120001120110 in words is "one hundred twenty billion, one million, one hundred twenty thousand, one hundred ten".