1111110192820 has 48 divisors (see below), whose sum is σ = 2418204579840. Its totient is φ = 428333802624.

The previous prime is 1111110192817. The next prime is 1111110192839. The reversal of 1111110192820 is 282910111111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433844 + ... + 2068363.

It is an arithmetic number, because the mean of its divisors is an integer number (50379262080).

Almost surely, 2^{1111110192820} is an apocalyptic number.

1111110192820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111110192820 is an abundant number, since it is smaller than the sum of its proper divisors (1307094387020).

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

1111110192820 is a wasteful number, since it uses less digits than its factorization.

1111110192820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502792 (or 3502790 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 1111110192820 in words is "one trillion, one hundred eleven billion, one hundred ten million, one hundred ninety-two thousand, eight hundred twenty".