200222111211121 has 8 divisors (see below), whose sum is σ = 212078605077864. Its totient is φ = 188374364302080.

The previous prime is 200222111211103. The next prime is 200222111211179. The reversal of 200222111211121 is 121112111222002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7826347548721 + 192395763662400 = 2797561^2 + 13870680^2 .

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 200222111211121 - 2²³ = 200222102822513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200222111211721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186692290 + ... + 2186783851.

It is an arithmetic number, because the mean of its divisors is an integer number (26509825634733).

Almost surely, 2^{200222111211121} is an apocalyptic number.

It is an amenable number.

200222111211121 is a deficient number, since it is larger than the sum of its proper divisors (11856493866743).

200222111211121 is a wasteful number, since it uses less digits than its factorization.

200222111211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373478851.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 200222111211121 its reverse (121112111222002), we get a palindrome (321334222433123).

The spelling of 200222111211121 in words is "two hundred trillion, two hundred twenty-two billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty-one".