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2002220111173 is a prime number
BaseRepresentation
bin11101001000101101100…
…111100101010101000101
321002102002011101011221211
4131020231213211111011
5230301021322024143
64131450205411421
7264440611065262
oct35105547452505
97072064334854
102002220111173
11702156067207
12284063569b71
13116a684b7919
146cc9d684269
1537137d6d49d
hex1d22d9e5545

2002220111173 has 2 divisors, whose sum is σ = 2002220111174. Its totient is φ = 2002220111172.

The previous prime is 2002220111141. The next prime is 2002220111231. The reversal of 2002220111173 is 3711110222002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440496842849 + 561723268324 = 1200207^2 + 749482^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002220111173 - 25 = 2002220111141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002220111123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110055586 + 1001110055587.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110055587).

Almost surely, 22002220111173 is an apocalyptic number.

It is an amenable number.

2002220111173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002220111173 is an equidigital number, since it uses as much as digits as its factorization.

2002220111173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 2002220111173 its reverse (3711110222002), we get a palindrome (5713330333175).

The spelling of 2002220111173 in words is "two trillion, two billion, two hundred twenty million, one hundred eleven thousand, one hundred seventy-three".