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1222122222241 is a prime number
BaseRepresentation
bin10001110010001100001…
…010010011001010100001
311022211111210120102211221
4101302030022103022201
5130010401242102431
62333234000335041
7154203220326544
oct21621412231241
94284453512757
101222122222241
11431332152098
12178a32314481
138b32686123b
144321860285b
1521bcbe0d111
hex11c8c2932a1

1222122222241 has 2 divisors, whose sum is σ = 1222122222242. Its totient is φ = 1222122222240.

The previous prime is 1222122222229. The next prime is 1222122222253. The reversal of 1222122222241 is 1422222212221.

It is a balanced prime because it is at equal distance from previous prime (1222122222229) and next prime (1222122222253).

It can be written as a sum of positive squares in only one way, i.e., 1215418051600 + 6704170641 = 1102460^2 + 81879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222122222241 - 237 = 1084683268769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222122222281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061111120 + 611061111121.

It is an arithmetic number, because the mean of its divisors is an integer number (611061111121).

Almost surely, 21222122222241 is an apocalyptic number.

It is an amenable number.

1222122222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122222241 is an equidigital number, since it uses as much as digits as its factorization.

1222122222241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 25.

Adding to 1222122222241 its reverse (1422222212221), we get a palindrome (2644344434462).

The spelling of 1222122222241 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred forty-one".