100221010192 has 20 divisors (see below), whose sum is σ = 194215789260. Its totient is φ = 50100806528.

The previous prime is 100221010093. The next prime is 100221010217. The reversal of 100221010192 is 291010122001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78929531136 + 21291479056 = 280944^2 + 145916^2 .

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, 520543 + ... + 686590.

It is an arithmetic number, because the mean of its divisors is an integer number (9710789463).

Almost surely, 2^100221010192 is an apocalyptic number.

It is an amenable number.

100221010192 is a deficient number, since it is larger than the sum of its proper divisors (93994779068).

100221010192 is a wasteful number, since it uses less digits than its factorization.

100221010192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212330 (or 1212324 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 100221010192 its reverse (291010122001), we get a palindrome (391231132193).

The spelling of 100221010192 in words is "one hundred billion, two hundred twenty-one million, ten thousand, one hundred ninety-two".