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200202222002021 is a prime number
BaseRepresentation
bin101101100001010100110110…
…010100110101111101100101
3222020212010221002000010210222
4231201110312110311331211
5202220103122313031041
61545443344152454125
760112063460055521
oct5541246624657545
9866763832003728
10200202222002021
1158877316071558
121a5546470aa345
138792cb0a44145
143761ba6c6cd81
151822abc62974b
hexb61536535f65

200202222002021 has 2 divisors, whose sum is σ = 200202222002022. Its totient is φ = 200202222002020.

The previous prime is 200202222001949. The next prime is 200202222002039. The reversal of 200202222002021 is 120200222202002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197759925045796 + 2442296956225 = 14062714^2 + 1562785^2 .

It is a cyclic number.

It is not a de Polignac number, because 200202222002021 - 210 = 200202222000997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200202222002071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101111001010 + 100101111001011.

It is an arithmetic number, because the mean of its divisors is an integer number (100101111001011).

Almost surely, 2200202222002021 is an apocalyptic number.

It is an amenable number.

200202222002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

200202222002021 is an equidigital number, since it uses as much as digits as its factorization.

200202222002021 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 17.

Adding to 200202222002021 its reverse (120200222202002), we get a palindrome (320402444204023).

The spelling of 200202222002021 in words is "two hundred trillion, two hundred two billion, two hundred twenty-two million, two thousand, twenty-one".