120111021100000 has 576 divisors, whose sum is σ = 347328773535744. Its totient is φ = 40025664000000.

The previous prime is 120111021099991. The next prime is 120111021100013. The reversal of 120111021100000 is 1120111021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 120111021100000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7777692279 + ... + 7777707721.

It is an arithmetic number, because the mean of its divisors is an integer number (603001342944).

Almost surely, 2^{120111021100000} is an apocalyptic number.

120111021100000 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 120111021100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173664386767872).

120111021100000 is an abundant number, since it is smaller than the sum of its proper divisors (227217752435744).

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

120111021100000 is an equidigital number, since it uses as much as digits as its factorization.

120111021100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15797 (or 15769 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120111021100000 its reverse (1120111021), we get a palindrome (120112141211021).

The spelling of 120111021100000 in words is "one hundred twenty trillion, one hundred eleven billion, twenty-one million, one hundred thousand".