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2112103331357 is a prime number
BaseRepresentation
bin11110101111000011001…
…010110011011000011101
321110220201010001010112112
4132233003022303120131
5234101041423100412
64254141544243405
7305410614045635
oct36570312633035
97426633033475
102112103331357
117448132a4978
122a140b170565
1312422a747536
14743251496c5
1539e19a99722
hex1ebc32b361d

2112103331357 has 2 divisors, whose sum is σ = 2112103331358. Its totient is φ = 2112103331356.

The previous prime is 2112103331339. The next prime is 2112103331381. The reversal of 2112103331357 is 7531333012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2048273330041 + 63830001316 = 1431179^2 + 252646^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112103331357 - 210 = 2112103330333 is a prime.

It is a super-2 number, since 2×21121033313572 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112103333357) 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, 1056051665678 + 1056051665679.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051665679).

Almost surely, 22112103331357 is an apocalyptic number.

It is an amenable number.

2112103331357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112103331357 is an equidigital number, since it uses as much as digits as its factorization.

2112103331357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

Adding to 2112103331357 its reverse (7531333012112), we get a palindrome (9643436343469).

The spelling of 2112103331357 in words is "two trillion, one hundred twelve billion, one hundred three million, three hundred thirty-one thousand, three hundred fifty-seven".