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2122443311 is a prime number
BaseRepresentation
bin111111010000001…
…1110101000101111
312110220202021212112
41332200132220233
513321321141221
6550335154235
7103411320242
oct17640365057
95426667775
102122443311
1199a07808a
124b297597b
1327a948421
14161c4d259
15c64ec15b
hex7e81ea2f

2122443311 has 2 divisors, whose sum is σ = 2122443312. Its totient is φ = 2122443310.

The previous prime is 2122443287. The next prime is 2122443331. The reversal of 2122443311 is 1133442212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2122443311 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122443331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061221655 + 1061221656.

It is an arithmetic number, because the mean of its divisors is an integer number (1061221656).

Almost surely, 22122443311 is an apocalyptic number.

2122443311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122443311 is an equidigital number, since it uses as much as digits as its factorization.

2122443311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2122443311 is about 46069.9827545008. The cubic root of 2122443311 is about 1285.1249831246.

Adding to 2122443311 its reverse (1133442212), we get a palindrome (3255885523).

The spelling of 2122443311 in words is "two billion, one hundred twenty-two million, four hundred forty-three thousand, three hundred eleven".