120100001120 has 192 divisors, whose sum is σ = 319129699392. Its totient is φ = 42332160000.

The previous prime is 120100001089. The next prime is 120100001123. The reversal of 120100001120 is 21100001021.

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 = 120100001098 and 120100001107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100001123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11323820 + ... + 11334420.

It is an arithmetic number, because the mean of its divisors is an integer number (1662133851).

Almost surely, 2^120100001120 is an apocalyptic number.

120100001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120100001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159564849696).

120100001120 is an abundant number, since it is smaller than the sum of its proper divisors (199029698272).

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

120100001120 is a wasteful number, since it uses less digits than its factorization.

120100001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825 (or 10817 counting only the distinct ones).

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

Adding to 120100001120 its reverse (21100001021), we get a palindrome (141200002141).

Subtracting from 120100001120 its reverse (21100001021), we obtain a palindrome (99000000099).

The spelling of 120100001120 in words is "one hundred twenty billion, one hundred million, one thousand, one hundred twenty".