1920101091110 has 32 divisors (see below), whose sum is σ = 3514884930720. Its totient is φ = 754996248832.

The previous prime is 1920101091091. The next prime is 1920101091127. The reversal of 1920101091110 is 111901010291.

It is a self number, because there is not a number n which added to its sum of digits gives 1920101091110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31060352 + ... + 31122108.

It is an arithmetic number, because the mean of its divisors is an integer number (109840154085).

Almost surely, 2^{1920101091110} is an apocalyptic number.

1920101091110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1920101091110 is a deficient number, since it is larger than the sum of its proper divisors (1594783839610).

1920101091110 is a wasteful number, since it uses less digits than its factorization.

1920101091110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114520.

The product of its (nonzero) digits is 162, while the sum is 26.

The spelling of 1920101091110 in words is "one trillion, nine hundred twenty billion, one hundred one million, ninety-one thousand, one hundred ten".