120111112112220 has 96 divisors (see below), whose sum is σ = 385733177303040. Its totient is φ = 30996416024640.

The previous prime is 120111112112203. The next prime is 120111112112239. The reversal of 120111112112220 is 22211211111021.

It is a happy number.

120111112112220 is a `hidden beast` number, since 1 + 201 + 111 + 121 + 12 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120111112112193 and 120111112112202.

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, 3587531412 + ... + 3587564891.

It is an arithmetic number, because the mean of its divisors is an integer number (4018053930240).

Almost surely, 2^{120111112112220} is an apocalyptic number.

120111112112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111112112220 is an abundant number, since it is smaller than the sum of its proper divisors (265622065190820).

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

120111112112220 is a wasteful number, since it uses less digits than its factorization.

120111112112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175096352 (or 7175096344 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 120111112112220 its reverse (22211211111021), we get a palindrome (142322323223241).

The spelling of 120111112112220 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty".