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2112112237 is a prime number
BaseRepresentation
bin111110111100100…
…0100011001101101
312110012022102022011
41331321010121231
513311200042422
6545325521221
7103224441424
oct17571043155
95405272264
102112112237
11994261204
124ab413211
1327876bc71
141607202bb
15c565b077
hex7de4466d

2112112237 has 2 divisors, whose sum is σ = 2112112238. Its totient is φ = 2112112236.

The previous prime is 2112112231. The next prime is 2112112259. The reversal of 2112112237 is 7322112112.

It is an a-pointer prime, because the next prime (2112112259) can be obtained adding 2112112237 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1839895236 + 272217001 = 42894^2 + 16499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112112237 - 23 = 2112112229 is a prime.

It is a super-2 number, since 2×21121122372 = 8922036203370288338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112112231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056056118 + 1056056119.

It is an arithmetic number, because the mean of its divisors is an integer number (1056056119).

Almost surely, 22112112237 is an apocalyptic number.

It is an amenable number.

2112112237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112112237 is an equidigital number, since it uses as much as digits as its factorization.

2112112237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 2112112237 is about 45957.7222781983. The cubic root of 2112112237 is about 1283.0364591229.

Adding to 2112112237 its reverse (7322112112), we get a palindrome (9434224349).

The spelling of 2112112237 in words is "two billion, one hundred twelve million, one hundred twelve thousand, two hundred thirty-seven".