1919200111102 has 8 divisors (see below), whose sum is σ = 2879738813016. Its totient is φ = 959287173432.

The previous prime is 1919200111091. The next prime is 1919200111141. The reversal of 1919200111102 is 2011110029191.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156433393 + ... + 156445660.

It is an arithmetic number, because the mean of its divisors is an integer number (359967351627).

Almost surely, 2^{1919200111102} is an apocalyptic number.

1919200111102 is a deficient number, since it is larger than the sum of its proper divisors (960538701914).

1919200111102 is a wasteful number, since it uses less digits than its factorization.

1919200111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312882122.

The product of its (nonzero) digits is 324, while the sum is 28.

It can be divided in two parts, 1919200 and 111102, that added together give a palindrome (2030302).

The spelling of 1919200111102 in words is "one trillion, nine hundred nineteen billion, two hundred million, one hundred eleven thousand, one hundred two".