1108221541920 has 144 divisors (see below), whose sum is σ = 3782594192832. Its totient is φ = 295464153600.

The previous prime is 1108221541919. The next prime is 1108221541967. The reversal of 1108221541920 is 291451228011.

1108221541920 is a `hidden beast` number, since 1 + 1 + 0 + 8 + 2 + 21 + 541 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

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, 7051719 + ... + 7207161.

It is an arithmetic number, because the mean of its divisors is an integer number (26268015228).

Almost surely, 2^{1108221541920} is an apocalyptic number.

1108221541920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108221541920 is an abundant number, since it is smaller than the sum of its proper divisors (2674372650912).

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

1108221541920 is a wasteful number, since it uses less digits than its factorization.

1108221541920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160415 (or 160404 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

Adding to 1108221541920 its reverse (291451228011), we get a palindrome (1399672769931).

The spelling of 1108221541920 in words is "one trillion, one hundred eight billion, two hundred twenty-one million, five hundred forty-one thousand, nine hundred twenty".