Search a number
-
+
2112201229 is a prime number
BaseRepresentation
bin111110111100101…
…1010001000001101
312110012110221101011
41331321122020031
513311210414404
6545331445221
7103225262035
oct17571321015
95405427334
102112201229
11994312056
124ab456811
132787a0618
141607448c5
15c5677604
hex7de5a20d

2112201229 has 2 divisors, whose sum is σ = 2112201230. Its totient is φ = 2112201228.

The previous prime is 2112201211. The next prime is 2112201233. The reversal of 2112201229 is 9221022112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1975358025 + 136843204 = 44445^2 + 11698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2112201229 is a prime.

It is a super-2 number, since 2×21122012292 = 8922788063578220882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056100614 + 1056100615.

It is an arithmetic number, because the mean of its divisors is an integer number (1056100615).

Almost surely, 22112201229 is an apocalyptic number.

It is an amenable number.

2112201229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112201229 is an equidigital number, since it uses as much as digits as its factorization.

2112201229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2112201229 is about 45958.6904621966. The cubic root of 2112201229 is about 1283.0544787425.

The spelling of 2112201229 in words is "two billion, one hundred twelve million, two hundred one thousand, two hundred twenty-nine".