1019200191103 has 8 divisors (see below), whose sum is σ = 1041198697728. Its totient is φ = 997214742744.

The previous prime is 1019200191091. The next prime is 1019200191143. The reversal of 1019200191103 is 3011910029101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1019200191103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019200191143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3106701 + ... + 3419062.

It is an arithmetic number, because the mean of its divisors is an integer number (130149837216).

Almost surely, 2^{1019200191103} is an apocalyptic number.

1019200191103 is a deficient number, since it is larger than the sum of its proper divisors (21998506625).

1019200191103 is an equidigital number, since it uses as much as digits as its factorization.

1019200191103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529133.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 1019200191103 in words is "one trillion, nineteen billion, two hundred million, one hundred ninety-one thousand, one hundred three".