100161117202 has 4 divisors (see below), whose sum is σ = 150241675806. Its totient is φ = 50080558600.

The previous prime is 100161117151. The next prime is 100161117229. The reversal of 100161117202 is 202711161001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202711161001 = 14831 ⋅13668071.

It can be written as a sum of positive squares in only one way, i.e., 97763154241 + 2397962961 = 312671^2 + 48969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25040279299 + ... + 25040279302.

Almost surely, 2^100161117202 is an apocalyptic number.

100161117202 is a deficient number, since it is larger than the sum of its proper divisors (50080558604).

100161117202 is an equidigital number, since it uses as much as digits as its factorization.

100161117202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50080558603.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 100161117202 its reverse (202711161001), we get a palindrome (302872278203).

The spelling of 100161117202 in words is "one hundred billion, one hundred sixty-one million, one hundred seventeen thousand, two hundred two".