120111221120000 has 660 divisors, whose sum is σ = 340436188897728. Its totient is φ = 42267033600000.

The previous prime is 120111221119957. The next prime is 120111221120003. The reversal of 120111221120000 is 21122111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111221120003) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2400614984 + ... + 2400665016.

Almost surely, 2^{120111221120000} is an apocalyptic number.

120111221120000 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 120111221120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170218094448864).

120111221120000 is an abundant number, since it is smaller than the sum of its proper divisors (220324967777728).

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

120111221120000 is an equidigital number, since it uses as much as digits as its factorization.

120111221120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50126 (or 50082 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120111221120000 its reverse (21122111021), we get a palindrome (120132343231021).

The spelling of 120111221120000 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty thousand".