200002202220121 has 12 divisors (see below), whose sum is σ = 246341247873588. Its totient is φ = 161346314395392.

The previous prime is 200002202220113. The next prime is 200002202220157. The reversal of 200002202220121 is 121022202200002.

It can be written as a sum of positive squares in 2 ways, for example, as 57296361358096 + 142705840862025 = 7569436^2 + 11945955^2 .

It is not a de Polignac number, because 200002202220121 - 2³ = 200002202220113 is a prime.

It is a super-2 number, since 2×200002202220121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200002202220095 and 200002202220104.

It is not an unprimeable number, because it can be changed into a prime (200002202229121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120049340236 + ... + 120049341901.

It is an arithmetic number, because the mean of its divisors is an integer number (20528437322799).

Almost surely, 2^{200002202220121} is an apocalyptic number.

It is an amenable number.

200002202220121 is a deficient number, since it is larger than the sum of its proper divisors (46339045653467).

200002202220121 is a wasteful number, since it uses less digits than its factorization.

200002202220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240098682168 (or 240098682161 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 200002202220121 its reverse (121022202200002), we get a palindrome (321024404420123).

The spelling of 200002202220121 in words is "two hundred trillion, two billion, two hundred two million, two hundred twenty thousand, one hundred twenty-one".