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2112213143 is a prime number
BaseRepresentation
bin111110111100101…
…1101000010010111
312110012111112201102
41331321131002113
513311211310033
6545332020315
7103225341545
oct17571350227
95405445642
102112213143
1199431aaa7
124ab46169b
132787a5b81
14160748d95
15c567ade8
hex7de5d097

2112213143 has 2 divisors, whose sum is σ = 2112213144. Its totient is φ = 2112213142.

The previous prime is 2112213107. The next prime is 2112213163. The reversal of 2112213143 is 3413122112.

It is an a-pointer prime, because the next prime (2112213163) can be obtained adding 2112213143 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112213143 - 28 = 2112212887 is a prime.

It is a super-2 number, since 2×21122131432 = 8922888722923876898, which contains 22 as substring.

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 (2112213163) 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, 1056106571 + 1056106572.

It is an arithmetic number, because the mean of its divisors is an integer number (1056106572).

Almost surely, 22112213143 is an apocalyptic number.

2112213143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112213143 is an equidigital number, since it uses as much as digits as its factorization.

2112213143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 2112213143 is about 45958.8200784137. The cubic root of 2112213143 is about 1283.0568911203.

Adding to 2112213143 its reverse (3413122112), we get a palindrome (5525335255).

The spelling of 2112213143 in words is "two billion, one hundred twelve million, two hundred thirteen thousand, one hundred forty-three".