120011120220120 has 128 divisors (see below), whose sum is σ = 361878302592000. Its totient is φ = 31839002325504.

The previous prime is 120011120220077. The next prime is 120011120220139. The reversal of 120011120220120 is 21022021110021.

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 120011120220120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246747894 + ... + 247233786.

It is an arithmetic number, because the mean of its divisors is an integer number (2827174239000).

Almost surely, 2^{120011120220120} is an apocalyptic number.

120011120220120 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 120011120220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180939151296000).

120011120220120 is an abundant number, since it is smaller than the sum of its proper divisors (241867182371880).

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

120011120220120 is a wasteful number, since it uses less digits than its factorization.

120011120220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496449 (or 496445 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120011120220120 its reverse (21022021110021), we get a palindrome (141033141330141).

The spelling of 120011120220120 in words is "one hundred twenty trillion, eleven billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty".