200220002101121 has 4 divisors (see below), whose sum is σ = 200221246382292. Its totient is φ = 200218757819952.

The previous prime is 200220002101081. The next prime is 200220002101139. The reversal of 200220002101121 is 121101200022002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100379158723600 + 99840843377521 = 10018940^2 + 9992039^2 .

It is a cyclic number.

It is not a de Polignac number, because 200220002101121 - 2¹⁴ = 200220002084737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200220002101096 and 200220002101105.

It is not an unprimeable number, because it can be changed into a prime (200220002101321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621899186 + ... + 622221051.

It is an arithmetic number, because the mean of its divisors is an integer number (50055311595573).

Almost surely, 2^{200220002101121} is an apocalyptic number.

It is an amenable number.

200220002101121 is a deficient number, since it is larger than the sum of its proper divisors (1244281171).

200220002101121 is a wasteful number, since it uses less digits than its factorization.

200220002101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244281170.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200220002101121 its reverse (121101200022002), we get a palindrome (321321202123123).

The spelling of 200220002101121 in words is "two hundred trillion, two hundred twenty billion, two million, one hundred one thousand, one hundred twenty-one".