200122221211121 has 8 divisors (see below), whose sum is σ = 219294142120704. Its totient is φ = 181113465586320.

The previous prime is 200122221211093. The next prime is 200122221211177. The reversal of 200122221211121 is 121112122221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200122221211121 - 2³⁸ = 199847343304177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200122221211093 and 200122221211102.

It is not an unprimeable number, because it can be changed into a prime (200122221211021) 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 7 ways as a sum of consecutive naturals, for example, 40791318626 + ... + 40791323531.

It is an arithmetic number, because the mean of its divisors is an integer number (27411767765088).

Almost surely, 2^{200122221211121} is an apocalyptic number.

It is an amenable number.

200122221211121 is a deficient number, since it is larger than the sum of its proper divisors (19171920909583).

200122221211121 is a wasteful number, since it uses less digits than its factorization.

200122221211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81582642391.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 200122221211121 its reverse (121112122221002), we get a palindrome (321234343432123).

The spelling of 200122221211121 in words is "two hundred trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-one".