Search a number
-
+
2122202012251 is a prime number
BaseRepresentation
bin11110111000011101000…
…110001101101001011011
321111212202220111021101211
4132320131012031221123
5234232232203343001
64302532014123551
7306216100320166
oct36703506155133
97455686437354
102122202012251
1174902578a342
122a33691b05b7
13125179a05c69
1474a02438add
153a30b44b351
hex1ee1d18da5b

2122202012251 has 2 divisors, whose sum is σ = 2122202012252. Its totient is φ = 2122202012250.

The previous prime is 2122202012209. The next prime is 2122202012309. The reversal of 2122202012251 is 1522102022212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122202012251 - 29 = 2122202011739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122202012351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061101006125 + 1061101006126.

It is an arithmetic number, because the mean of its divisors is an integer number (1061101006126).

Almost surely, 22122202012251 is an apocalyptic number.

2122202012251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122202012251 is an equidigital number, since it uses as much as digits as its factorization.

2122202012251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 2122202012251 its reverse (1522102022212), we get a palindrome (3644304034463).

The spelling of 2122202012251 in words is "two trillion, one hundred twenty-two billion, two hundred two million, twelve thousand, two hundred fifty-one".