100100722197 has 16 divisors (see below), whose sum is σ = 160562562560. Its totient is φ = 54189864432.

The previous prime is 100100722109. The next prime is 100100722207. The reversal of 100100722197 is 791227001001.

It is a happy number.

It is not a de Polignac number, because 100100722197 - 2¹⁰ = 100100721173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100726197) 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, 125439103 + ... + 125439900.

It is an arithmetic number, because the mean of its divisors is an integer number (10035160160).

Almost surely, 2^100100722197 is an apocalyptic number.

It is an amenable number.

100100722197 is a deficient number, since it is larger than the sum of its proper divisors (60461840363).

100100722197 is a wasteful number, since it uses less digits than its factorization.

100100722197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250879032.

The product of its (nonzero) digits is 1764, while the sum is 30.

Adding to 100100722197 its reverse (791227001001), we get a palindrome (891327723198).

The spelling of 100100722197 in words is "one hundred billion, one hundred million, seven hundred twenty-two thousand, one hundred ninety-seven".