120120110222220 has 72 divisors (see below), whose sum is σ = 364382544380400. Its totient is φ = 32030428510080.

The previous prime is 120120110222219. The next prime is 120120110222249. The reversal of 120120110222220 is 22222011021021.

It is a happy number.

120120110222220 is a `hidden beast` number, since 1 + 20 + 1 + 201 + 1 + 0 + 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 = 120120110222193 and 120120110222202.

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, 13062070 + ... + 20269629.

It is an arithmetic number, because the mean of its divisors is an integer number (5060868671950).

Almost surely, 2^{120120110222220} is an apocalyptic number.

120120110222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120120110222220 is an abundant number, since it is smaller than the sum of its proper divisors (244262434158180).

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

120120110222220 is a wasteful number, since it uses less digits than its factorization.

120120110222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33351735 (or 33351730 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120120110222220 its reverse (22222011021021), we get a palindrome (142342121243241).

The spelling of 120120110222220 in words is "one hundred twenty trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty".