120111112110220 has 384 divisors, whose sum is σ = 325175386152960. Its totient is φ = 36190517575680.

The previous prime is 120111112110149. The next prime is 120111112110247. The reversal of 120111112110220 is 22011211111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111112110194 and 120111112110203.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1216672302 + ... + 1216771018.

It is an arithmetic number, because the mean of its divisors is an integer number (846810901440).

Almost surely, 2^{120111112110220} is an apocalyptic number.

120111112110220 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 120111112110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162587693076480).

120111112110220 is an abundant number, since it is smaller than the sum of its proper divisors (205064274042740).

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

120111112110220 is a wasteful number, since it uses less digits than its factorization.

120111112110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99033 (or 99031 counting only the distinct ones).

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

Adding to 120111112110220 its reverse (22011211111021), we get a palindrome (142122323221241).

It can be divided in two parts, 1201111 and 12110220, that added together give a palindrome (13311331).

The spelling of 120111112110220 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred ten thousand, two hundred twenty".