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123022222113121 is a prime number
BaseRepresentation
bin11011111110001101010111…
…110110010011100101100001
3121010120210212011212121210021
4123332031113312103211201
5112111044002330104441
61113351343441233441
734625030230244122
oct3376152766234541
9533523764777707
10123022222113121
1136220482222431
121196a645332881
135384c3ab09026
142254443404049
15e35154c4e3d1
hex6fe357d93961

123022222113121 has 2 divisors, whose sum is σ = 123022222113122. Its totient is φ = 123022222113120.

The previous prime is 123022222113083. The next prime is 123022222113137. The reversal of 123022222113121 is 121311222220321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117057490514721 + 5964731598400 = 10819311^2 + 2442280^2 .

It is a cyclic number.

It is not a de Polignac number, because 123022222113121 - 235 = 122987862374753 is a prime.

It is not a weakly prime, because it can be changed into another prime (123022222113181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511111056560 + 61511111056561.

It is an arithmetic number, because the mean of its divisors is an integer number (61511111056561).

Almost surely, 2123022222113121 is an apocalyptic number.

It is an amenable number.

123022222113121 is a deficient number, since it is larger than the sum of its proper divisors (1).

123022222113121 is an equidigital number, since it uses as much as digits as its factorization.

123022222113121 is an evil number, because the sum of its binary digits is even.

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

Adding to 123022222113121 its reverse (121311222220321), we get a palindrome (244333444333442).

The spelling of 123022222113121 in words is "one hundred twenty-three trillion, twenty-two billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-one".