122100200173 has 16 divisors (see below), whose sum is σ = 142034448384. Its totient is φ = 102805113600.

The previous prime is 122100200171. The next prime is 122100200249. The reversal of 122100200173 is 371002001221.

It is not a de Polignac number, because 122100200173 - 2¹ = 122100200171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122100200173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100200171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590140 + ... + 769717.

It is an arithmetic number, because the mean of its divisors is an integer number (8877153024).

Almost surely, 2^122100200173 is an apocalyptic number.

It is an amenable number.

122100200173 is a deficient number, since it is larger than the sum of its proper divisors (19934248211).

122100200173 is a wasteful number, since it uses less digits than its factorization.

122100200173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360092.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 122100200173 its reverse (371002001221), we get a palindrome (493102201394).

The spelling of 122100200173 in words is "one hundred twenty-two billion, one hundred million, two hundred thousand, one hundred seventy-three".