1108220461920 has 576 divisors, whose sum is σ = 4448430814464. Its totient is φ = 247687925760.

The previous prime is 1108220461913. The next prime is 1108220461939. The reversal of 1108220461920 is 291640228011.

1108220461920 is a `hidden beast` number, since 1 + 10 + 8 + 2 + 2 + 0 + 4 + 619 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195003399 + ... + 195009081.

It is an arithmetic number, because the mean of its divisors is an integer number (7722970164).

Almost surely, 2^{1108220461920} is an apocalyptic number.

1108220461920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1108220461920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224215407232).

1108220461920 is an abundant number, since it is smaller than the sum of its proper divisors (3340210352544).

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

1108220461920 is a wasteful number, since it uses less digits than its factorization.

1108220461920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675 (or 6664 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Adding to 1108220461920 its reverse (291640228011), we get a palindrome (1399860689931).

The spelling of 1108220461920 in words is "one trillion, one hundred eight billion, two hundred twenty million, four hundred sixty-one thousand, nine hundred twenty".