200222201122121 has 2 divisors, whose sum is σ = 200222201122122. Its totient is φ = 200222201122120.

The previous prime is 200222201122109. The next prime is 200222201122231. The reversal of 200222201122121 is 121221102222002.

200222201122121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200164177947721 + 58023174400 = 14147939^2 + 240880^2 .

It is a cyclic number.

It is not a de Polignac number, because 200222201122121 - 2¹⁴ = 200222201105737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200222201122093 and 200222201122102.

It is not a weakly prime, because it can be changed into another prime (200222201422121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100111100561060 + 100111100561061.

It is an arithmetic number, because the mean of its divisors is an integer number (100111100561061).

Almost surely, 2^{200222201122121} is an apocalyptic number.

It is an amenable number.

200222201122121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200222201122121 is an equidigital number, since it uses as much as digits as its factorization.

200222201122121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 200222201122121 its reverse (121221102222002), we get a palindrome (321443303344123).

The spelling of 200222201122121 in words is "two hundred trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".