120111011222220 has 72 divisors (see below), whose sum is σ = 372088579472064. Its totient is φ = 31348122075648.

The previous prime is 120111011222183. The next prime is 120111011222231. The reversal of 120111011222220 is 22222110111021.

120111011222220 is a `hidden beast` number, since 1 + 201 + 1 + 10 + 11 + 222 + 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 = 120111011222193 and 120111011222202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7098751069 + ... + 7098767988.

It is an arithmetic number, because the mean of its divisors is an integer number (5167896937112).

Almost surely, 2^{120111011222220} is an apocalyptic number.

120111011222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111011222220 is an abundant number, since it is smaller than the sum of its proper divisors (251977568249844).

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

120111011222220 is a wasteful number, since it uses less digits than its factorization.

120111011222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14197519119 (or 14197519114 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120111011222220 its reverse (22222110111021), we get a palindrome (142333121333241).

The spelling of 120111011222220 in words is "one hundred twenty trillion, one hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred twenty".