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11112122237 is a prime number
BaseRepresentation
bin10100101100101010…
…11000011101111101
31001200102102022000212
422112111120131331
5140224200402422
65034351202205
7542240323556
oct122625303575
931612368025
1011112122237
1147925599a7
1221a1516365
131081223978
14775b3932d
1545083a9e2
hex29655877d

11112122237 has 2 divisors, whose sum is σ = 11112122238. Its totient is φ = 11112122236.

The previous prime is 11112122213. The next prime is 11112122261. The reversal of 11112122237 is 73222121111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (11112122213) and next prime (11112122261).

It can be written as a sum of positive squares in only one way, i.e., 10956646276 + 155475961 = 104674^2 + 12469^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112122237 - 212 = 11112118141 is a prime.

It is a super-2 number, since 2×111121222372 (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 (11112122207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556061118 + 5556061119.

It is an arithmetic number, because the mean of its divisors is an integer number (5556061119).

Almost surely, 211112122237 is an apocalyptic number.

It is an amenable number.

11112122237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112122237 is an equidigital number, since it uses as much as digits as its factorization.

11112122237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

Adding to 11112122237 its reverse (73222121111), we get a palindrome (84334243348).

The spelling of 11112122237 in words is "eleven billion, one hundred twelve million, one hundred twenty-two thousand, two hundred thirty-seven".