100020822171 has 4 divisors (see below), whose sum is σ = 133361096232. Its totient is φ = 66680548112.

The previous prime is 100020822163. The next prime is 100020822179. The reversal of 100020822171 is 171228020001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (100020822163) and next prime (100020822179).

It is a cyclic number.

It is not a de Polignac number, because 100020822171 - 2³ = 100020822163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100020822179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16670137026 + ... + 16670137031.

It is an arithmetic number, because the mean of its divisors is an integer number (33340274058).

Almost surely, 2^100020822171 is an apocalyptic number.

100020822171 is a deficient number, since it is larger than the sum of its proper divisors (33340274061).

100020822171 is an equidigital number, since it uses as much as digits as its factorization.

100020822171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33340274060.

The product of its (nonzero) digits is 448, while the sum is 24.

Adding to 100020822171 its reverse (171228020001), we get a palindrome (271248842172).

The spelling of 100020822171 in words is "one hundred billion, twenty million, eight hundred twenty-two thousand, one hundred seventy-one".