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12211110943 is a prime number
BaseRepresentation
bin10110101111101011…
…01100010000011111
31011112000100201010021
423113311230100133
5200002021022233
65335410253011
7611413505353
oct132765542037
934460321107
1012211110943
1151a6943429
122449587167
1311c7b0c245
1483ba93463
154b7071e2d
hex2d7d6c41f

12211110943 has 2 divisors, whose sum is σ = 12211110944. Its totient is φ = 12211110942.

The previous prime is 12211110917. The next prime is 12211110959. The reversal of 12211110943 is 34901111221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211110943 - 213 = 12211102751 is a prime.

It is a super-2 number, since 2×122111109432 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211150943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105555471 + 6105555472.

It is an arithmetic number, because the mean of its divisors is an integer number (6105555472).

Almost surely, 212211110943 is an apocalyptic number.

12211110943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211110943 is an equidigital number, since it uses as much as digits as its factorization.

12211110943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 12211110943 in words is "twelve billion, two hundred eleven million, one hundred ten thousand, nine hundred forty-three".