1019200191102 has 16 divisors (see below), whose sum is σ = 2264889313680. Its totient is φ = 339733397016.

The previous prime is 1019200191091. The next prime is 1019200191143. The reversal of 1019200191102 is 2011910029101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9437038753 + ... + 9437038860.

It is an arithmetic number, because the mean of its divisors is an integer number (141555582105).

Almost surely, 2^{1019200191102} is an apocalyptic number.

1019200191102 is an abundant number, since it is smaller than the sum of its proper divisors (1245689122578).

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

1019200191102 is a wasteful number, since it uses less digits than its factorization.

1019200191102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874077624 (or 18874077618 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 1019200191102 in words is "one trillion, nineteen billion, two hundred million, one hundred ninety-one thousand, one hundred two".