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122210020169 is a prime number
BaseRepresentation
bin111000111010001001…
…0001110101101001001
3102200110000201021020022
41301310102032231021
54000241231121134
6132050440510225
711554323013616
oct1616422165511
9380400637208
10122210020169
1147913408a76
121b827a7b375
13b6a8016803
145cb4a7150d
1532a400152e
hex1c7448eb49

122210020169 has 2 divisors, whose sum is σ = 122210020170. Its totient is φ = 122210020168.

The previous prime is 122210020109. The next prime is 122210020171. The reversal of 122210020169 is 961020012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61684179769 + 60525840400 = 248363^2 + 246020^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210020169 - 224 = 122193242953 is a prime.

It is a super-2 number, since 2×1222100201692 (a number of 23 digits) contains 22 as substring.

Together with 122210020171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122210020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105010084 + 61105010085.

It is an arithmetic number, because the mean of its divisors is an integer number (61105010085).

Almost surely, 2122210020169 is an apocalyptic number.

It is an amenable number.

122210020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210020169 is an equidigital number, since it uses as much as digits as its factorization.

122210020169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 122210020169 in words is "one hundred twenty-two billion, two hundred ten million, twenty thousand, one hundred sixty-nine".