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122022211117 is a prime number
BaseRepresentation
bin111000110100100010…
…1110010111000101101
3102122221221022120122111
41301221011302320231
53444400141223432
6132020051244021
711546552452432
oct1615105627055
9378857276574
10122022211117
11478273a2284
121b794ba9611
13b67813a3b1
145c97b43b89
1532927a4347
hex1c69172e2d

122022211117 has 2 divisors, whose sum is σ = 122022211118. Its totient is φ = 122022211116.

The previous prime is 122022211109. The next prime is 122022211127. The reversal of 122022211117 is 711112220221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105135468516 + 16886742601 = 324246^2 + 129949^2 .

It is a cyclic number.

It is not a de Polignac number, because 122022211117 - 23 = 122022211109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122022211127) 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, 61011105558 + 61011105559.

It is an arithmetic number, because the mean of its divisors is an integer number (61011105559).

Almost surely, 2122022211117 is an apocalyptic number.

It is an amenable number.

122022211117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122022211117 is an equidigital number, since it uses as much as digits as its factorization.

122022211117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 122022211117 its reverse (711112220221), we get a palindrome (833134431338).

The spelling of 122022211117 in words is "one hundred twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred seventeen".