100002100194 has 48 divisors (see below), whose sum is σ = 231446898072. Its totient is φ = 31095558144.

The previous prime is 100002100141. The next prime is 100002100217. The reversal of 100002100194 is 491001200001.

It can be written as a sum of positive squares in 4 ways, for example, as 32965122969 + 67036977225 = 181563^2 + 258915^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1411459 + ... + 1480614.

Almost surely, 2^100002100194 is an apocalyptic number.

100002100194 is an abundant number, since it is smaller than the sum of its proper divisors (131444797878).

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

100002100194 is a wasteful number, since it uses less digits than its factorization.

100002100194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892211 (or 2892208 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 100002100194 its reverse (491001200001), we get a palindrome (591003300195).

The spelling of 100002100194 in words is "one hundred billion, two million, one hundred thousand, one hundred ninety-four".