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121222110121349 is a prime number
BaseRepresentation
bin11011100100000000111000…
…110100000000110110000101
3120220012201110021120200111012
4123210000320310000312011
5111342100340142340344
61105452400230052005
734351002615624326
oct3344007064006605
9526181407520435
10121222110121349
113569700aa00766
12117197a74aa005
135284271612003
1421d1277c0244d
15e033ea47329e
hex6e4038d00d85

121222110121349 has 2 divisors, whose sum is σ = 121222110121350. Its totient is φ = 121222110121348.

The previous prime is 121222110121187. The next prime is 121222110121363. The reversal of 121222110121349 is 943121011222121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96721520784100 + 24500589337249 = 9834710^2 + 4949807^2 .

It is a cyclic number.

It is not a de Polignac number, because 121222110121349 - 28 = 121222110121093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222110121379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611055060674 + 60611055060675.

It is an arithmetic number, because the mean of its divisors is an integer number (60611055060675).

Almost surely, 2121222110121349 is an apocalyptic number.

It is an amenable number.

121222110121349 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222110121349 is an equidigital number, since it uses as much as digits as its factorization.

121222110121349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 121222110121349 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, three hundred forty-nine".