1920111110192 has 80 divisors (see below), whose sum is σ = 4075881126912. Its totient is φ = 869024808960.

The previous prime is 1920111110179. The next prime is 1920111110237. The reversal of 1920111110192 is 2910111110291.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132386813 + ... + 132401315.

Almost surely, 2^{1920111110192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1920111110192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037940563456).

1920111110192 is an abundant number, since it is smaller than the sum of its proper divisors (2155770016720).

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

1920111110192 is a wasteful number, since it uses less digits than its factorization.

1920111110192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706 (or 17700 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 29.

Subtracting 1920111110192 from its reverse (2910111110291), we obtain a palindrome (990000000099).

The spelling of 1920111110192 in words is "one trillion, nine hundred twenty billion, one hundred eleven million, one hundred ten thousand, one hundred ninety-two".