100200200122221 has 32 divisors (see below), whose sum is σ = 134869217184000. Its totient is φ = 66168694817280.

The previous prime is 100200200122199. The next prime is 100200200122237. The reversal of 100200200122221 is 122221002002001.

It is not a de Polignac number, because 100200200122221 - 2⁶ = 100200200122157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100200200122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200200122021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2236738995 + ... + 2236783791.

It is an arithmetic number, because the mean of its divisors is an integer number (4214663037000).

Almost surely, 2^{100200200122221} is an apocalyptic number.

It is an amenable number.

100200200122221 is a deficient number, since it is larger than the sum of its proper divisors (34669017061779).

100200200122221 is a wasteful number, since it uses less digits than its factorization.

100200200122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61589.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100200200122221 its reverse (122221002002001), we get a palindrome (222421202124222).

The spelling of 100200200122221 in words is "one hundred trillion, two hundred billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-one".