100000122201 has 24 divisors (see below), whose sum is σ = 165667067904. Its totient is φ = 56939561280.

The previous prime is 100000122197. The next prime is 100000122217. The reversal of 100000122201 is 102221000001.

It is not a de Polignac number, because 100000122201 - 2² = 100000122197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100000122241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2806681 + ... + 2842086.

It is an arithmetic number, because the mean of its divisors is an integer number (6902794496).

Almost surely, 2^100000122201 is an apocalyptic number.

It is an amenable number.

100000122201 is a deficient number, since it is larger than the sum of its proper divisors (65666945703).

100000122201 is a wasteful number, since it uses less digits than its factorization.

100000122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649061 (or 5649058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100000122201 its reverse (102221000001), we get a palindrome (202221122202).

The spelling of 100000122201 in words is "one hundred billion, one hundred twenty-two thousand, two hundred one".