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902122222201 is a prime number
BaseRepresentation
bin11010010000010101010…
…11001011001001111001
310012020112110010010210121
431020022223023021321
5104240021242102301
61530232414013241
7122114300240164
oct15101253131171
93166473103717
10902122222201
11318651526842
12126a06aa7221
13670ba3579a5
143193d1b8adb
15186ed9d33a1
hexd20aacb279

902122222201 has 2 divisors, whose sum is σ = 902122222202. Its totient is φ = 902122222200.

The previous prime is 902122222163. The next prime is 902122222237. The reversal of 902122222201 is 102222221209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529168953600 + 372953268601 = 727440^2 + 610699^2 .

It is a cyclic number.

It is not a de Polignac number, because 902122222201 - 215 = 902122189433 is a prime.

It is not a weakly prime, because it can be changed into another prime (902122622201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451061111100 + 451061111101.

It is an arithmetic number, because the mean of its divisors is an integer number (451061111101).

Almost surely, 2902122222201 is an apocalyptic number.

It is an amenable number.

902122222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

902122222201 is an equidigital number, since it uses as much as digits as its factorization.

902122222201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 902122222201 in words is "nine hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".