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11212331089 is a prime number
BaseRepresentation
bin10100111000100111…
…01001100001010001
31001221101222102201211
422130103221201101
5140430324043324
65052331100121
7544565145631
oct123423514121
931841872654
1011212331089
114834083333
12220aba1641
131098c0b54b
147851826c1
15459532294
hex29c4e9851

11212331089 has 2 divisors, whose sum is σ = 11212331090. Its totient is φ = 11212331088.

The previous prime is 11212331033. The next prime is 11212331099. The reversal of 11212331089 is 98013321211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5927768064 + 5284563025 = 76992^2 + 72695^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212331089 - 213 = 11212322897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11212331089.

It is not a weakly prime, because it can be changed into another prime (11212331099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606165544 + 5606165545.

It is an arithmetic number, because the mean of its divisors is an integer number (5606165545).

Almost surely, 211212331089 is an apocalyptic number.

It is an amenable number.

11212331089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212331089 is an equidigital number, since it uses as much as digits as its factorization.

11212331089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 11212331089 in words is "eleven billion, two hundred twelve million, three hundred thirty-one thousand, eighty-nine".