101200222172 has 24 divisors (see below), whose sum is σ = 204674611680. Its totient is φ = 42884202240.

The previous prime is 101200222171. The next prime is 101200222229. The reversal of 101200222172 is 271222002101.

101200222172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200222171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20302529 + ... + 20307512.

It is an arithmetic number, because the mean of its divisors is an integer number (8528108820).

Almost surely, 2^101200222172 is an apocalyptic number.

It is an amenable number.

101200222172 is an abundant number, since it is smaller than the sum of its proper divisors (103474389508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101200222172 is a wasteful number, since it uses less digits than its factorization.

101200222172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40610141 (or 40610139 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 101200222172 its reverse (271222002101), we get a palindrome (372422224273).

The spelling of 101200222172 in words is "one hundred one billion, two hundred million, two hundred twenty-two thousand, one hundred seventy-two".