199999103102 has 16 divisors (see below), whose sum is σ = 307092529152. Its totient is φ = 97644800760.

The previous prime is 199999103089. The next prime is 199999103107. The reversal of 199999103102 is 201301999991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199999103107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427758 + ... + 2508785.

It is an arithmetic number, because the mean of its divisors is an integer number (19193283072).

Almost surely, 2^199999103102 is an apocalyptic number.

199999103102 is a deficient number, since it is larger than the sum of its proper divisors (107093426050).

199999103102 is a wasteful number, since it uses less digits than its factorization.

199999103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937023.

The product of its (nonzero) digits is 354294, while the sum is 53.

The spelling of 199999103102 in words is "one hundred ninety-nine billion, nine hundred ninety-nine million, one hundred three thousand, one hundred two".