1120120321220 has 48 divisors (see below), whose sum is σ = 2543612440320. Its totient is φ = 412720172544.

The previous prime is 1120120321211. The next prime is 1120120321273. The reversal of 1120120321220 is 221230210211.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35031590 + ... + 35063549.

It is an arithmetic number, because the mean of its divisors is an integer number (52991925840).

Almost surely, 2^{1120120321220} is an apocalyptic number.

1120120321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120120321220 is an abundant number, since it is smaller than the sum of its proper divisors (1423492119100).

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

1120120321220 is a wasteful number, since it uses less digits than its factorization.

1120120321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70095212 (or 70095210 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1120120321220 its reverse (221230210211), we get a palindrome (1341350531431).

The spelling of 1120120321220 in words is "one trillion, one hundred twenty billion, one hundred twenty million, three hundred twenty-one thousand, two hundred twenty".