1120210331220 has 72 divisors (see below), whose sum is σ = 3398187088296. Its totient is φ = 298703788032.

The previous prime is 1120210331179. The next prime is 1120210331221. The reversal of 1120210331220 is 221330120211.

1120210331220 is a `hidden beast` number, since 1 + 120 + 210 + 3 + 312 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 437137834896 + 683072496324 = 661164^2 + 826482^2 .

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 = 1120210331193 and 1120210331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120210331221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2768584 + ... + 3147296.

It is an arithmetic number, because the mean of its divisors is an integer number (47197042893).

Almost surely, 2^{1120210331220} is an apocalyptic number.

1120210331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120210331220 is an abundant number, since it is smaller than the sum of its proper divisors (2277976757076).

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

1120210331220 is a wasteful number, since it uses less digits than its factorization.

1120210331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395161 (or 395156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1120210331220 its reverse (221330120211), we get a palindrome (1341540451431).

The spelling of 1120210331220 in words is "one trillion, one hundred twenty billion, two hundred ten million, three hundred thirty-one thousand, two hundred twenty".