100001122197 has 16 divisors (see below), whose sum is σ = 137243983872. Its totient is φ = 64735176240.

The previous prime is 100001122163. The next prime is 100001122213. The reversal of 100001122197 is 791221100001.

It is not a de Polignac number, because 100001122197 - 2²⁸ = 99732686741 is a prime.

It is a super-2 number, since 2×100001122197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001129197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2774329 + ... + 2810142.

It is an arithmetic number, because the mean of its divisors is an integer number (8577748992).

Almost surely, 2^100001122197 is an apocalyptic number.

It is an amenable number.

100001122197 is a deficient number, since it is larger than the sum of its proper divisors (37242861675).

100001122197 is a wasteful number, since it uses less digits than its factorization.

100001122197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584648.

The product of its (nonzero) digits is 252, while the sum is 24.

Adding to 100001122197 its reverse (791221100001), we get a palindrome (891222222198).

The spelling of 100001122197 in words is "one hundred billion, one million, one hundred twenty-two thousand, one hundred ninety-seven".