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1222101099997 is a prime number
BaseRepresentation
bin10001110010001010111…
…001101110010111011101
311022211110022211022120121
4101302022321232113131
5130010330340144442
62333231523514541
7154202542644631
oct21621271562735
94284408738517
101222101099997
11431321235698
12178a27228a51
138b32237707b
14432158a4dc1
1521bca139967
hex11c8ae6e5dd

1222101099997 has 2 divisors, whose sum is σ = 1222101099998. Its totient is φ = 1222101099996.

The previous prime is 1222101099953. The next prime is 1222101100001. The reversal of 1222101099997 is 7999901012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903524390521 + 318576709476 = 950539^2 + 564426^2 .

It is an emirp because it is prime and its reverse (7999901012221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222101099997 is a prime.

It is a super-3 number, since 3×12221010999973 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222111099997) 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, 611050549998 + 611050549999.

It is an arithmetic number, because the mean of its divisors is an integer number (611050549999).

Almost surely, 21222101099997 is an apocalyptic number.

It is an amenable number.

1222101099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222101099997 is an equidigital number, since it uses as much as digits as its factorization.

1222101099997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 1222101099997 in words is "one trillion, two hundred twenty-two billion, one hundred one million, ninety-nine thousand, nine hundred ninety-seven".